What happens to Insight's parachute on Mars?












14














All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat shield and the parachute. What if it lands on Insight?










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  • 1




    It will open in a few minutes 🤞 - watch NASA Live.
    – Rob
    Nov 26 at 19:50
















14














All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat shield and the parachute. What if it lands on Insight?










share|improve this question




















  • 1




    It will open in a few minutes 🤞 - watch NASA Live.
    – Rob
    Nov 26 at 19:50














14












14








14







All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat shield and the parachute. What if it lands on Insight?










share|improve this question















All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat shield and the parachute. What if it lands on Insight?







mars nasa insight parachute entry-descent-landing






share|improve this question















share|improve this question













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edited Dec 25 at 20:23









Muze

1,8051054




1,8051054










asked Nov 26 at 12:49









anonymous

734




734








  • 1




    It will open in a few minutes 🤞 - watch NASA Live.
    – Rob
    Nov 26 at 19:50














  • 1




    It will open in a few minutes 🤞 - watch NASA Live.
    – Rob
    Nov 26 at 19:50








1




1




It will open in a few minutes 🤞 - watch NASA Live.
– Rob
Nov 26 at 19:50




It will open in a few minutes 🤞 - watch NASA Live.
– Rob
Nov 26 at 19:50










3 Answers
3






active

oldest

votes


















13














I'm pretty sure it will be like the Phoenix lander. Collectively that part of the lander is referred to as the "Backshell". This is the image of Phoenix of the hardware on the surface.



enter image description here



This is mentioned in the official timeline.




Powered Descent - Once the lander separates from its backshell and parachute, 12 descent engines on the lander begin firing and the onboard guidance software slows down the spacecraft until touchdown.







share|improve this answer





















  • Show us the parachute after Insight landed....otherwise I for one would not be convinced.
    – chris
    Nov 30 at 11:41






  • 1




    The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
    – Hobbes
    Nov 30 at 12:03



















11














During the parachute descent, InSight's trajectory is at an angle to the vertical. After the backshell and parachute separate, the engines fire, leveling the craft. This allows some horizontal separation between the parachute and the craft:




11:52 a.m. PST (2:52 p.m. EST) — Activation of the radar that will sense the distance to the ground



11:53 a.m. PST (2:53 p.m. EST) — First acquisition of the radar signal



20 seconds later — Separation from the back shell and parachute



0.5 second later — The retrorockets, or descent engines, begin firing



2.5 seconds later — Start of the "gravity turn" to get the lander into the proper orientation for landing



22 seconds later — InSight begins slowing to a constant velocity (from 17 mph to a constant 5 mph, or from 27 kph to 8 kph) for its soft landing



11:54 a.m. PST (2:54 p.m. EST) — Expected touchdown on the surface of Mars



12:01 p.m. PST (3:01 p.m. EST) — "Beep" from InSight's X-band radio directly back to Earth, indicating InSight is alive and functioning on the surface of Mars



https://mars.nasa.gov/news/8390/nasa-insight-landing-on-mars-milestones/




Also of note:




InSight controllers have been receiving daily weather updates of the Elysium Planitia landing site from NASA’s Mars Reconnaissance Orbiter – allowing controllers the chance to upload last-minute tweaks to the timing of InSight’s parachute deployment and activation of its landing radar system to account for landing-day weather characteristics.



Of note, InSight was also designed to be able to land during a Martian dust storm – something it will not be required to do Monday but was nonetheless baked into the craft’s design given that, once launched, the science platform’s landing date and time were fixed and could not be postponed.



https://www.nasaspaceflight.com/2018/11/nasa-mars-fleet-insight-landing-red-planet/







share|improve this answer





























    3














    Here is the latest photo:



    InSight landing area photographed by HiRise



    Everything landed with excellent separation. The heat shield is upper right corner of the larger photo, the parachute and backshell bottom left of center and the lander is middle left side.





    Answer prior to last edit:



    An explanation of the landing and a comparison with Phoenix is available at NASA's Insight Entry, Descent and Landing webpage, but it doesn't answer your question as clearly as NASA's LiveStream video of Insight's landing at 13:18.



    At an altitude of one mile the lander falls away from the back-shell and lights it's engines, then it rotates away so the back-shell doesn't come down and hit it.



    The failed landing of the ESA Schiaparelli is shown on the JPL webpage: "PIA21131: Closer Look at Schiaparelli Impact Site on Mars - "the parachute deployed as planned but was released (with back shell) prematurely, and the lander hit the ground at a velocity of more than 180 miles per hour (more than 300 kilometers per hour)".



    Despite coming in far too quickly there is excellent separation between the pieces as shown in this photo (click to zoom):



    Schiaparelli crash site




    "At lower left is the parachute, adjacent to the back shell, which was its attachment point on the spacecraft. The parachute is much brighter than the Martian surface in this region. The smaller circular feature just south of the bright parachute is about the same size and shape as the back shell, (diameter of 7.9 feet or 2.4 meters).



    At upper right are several bright features surrounded by dark radial impact patterns, located about where the heat shield was expected to impact. The bright spots may be part of the heat shield, such as insulation material, or gleaming reflections of the afternoon sunlight.".




    A later photo taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed shows: "Schiaparelli Impact Site on Mars, in Color".



    Since the Insight lander was able to send back a test photo I conclude that the heat shield did not strike it and it wasn't covered by the parachute. A photo of the landing site from HiRes may be forthcoming.






    share|improve this answer























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      3 Answers
      3






      active

      oldest

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      3 Answers
      3






      active

      oldest

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      active

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      active

      oldest

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      13














      I'm pretty sure it will be like the Phoenix lander. Collectively that part of the lander is referred to as the "Backshell". This is the image of Phoenix of the hardware on the surface.



      enter image description here



      This is mentioned in the official timeline.




      Powered Descent - Once the lander separates from its backshell and parachute, 12 descent engines on the lander begin firing and the onboard guidance software slows down the spacecraft until touchdown.







      share|improve this answer





















      • Show us the parachute after Insight landed....otherwise I for one would not be convinced.
        – chris
        Nov 30 at 11:41






      • 1




        The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
        – Hobbes
        Nov 30 at 12:03
















      13














      I'm pretty sure it will be like the Phoenix lander. Collectively that part of the lander is referred to as the "Backshell". This is the image of Phoenix of the hardware on the surface.



      enter image description here



      This is mentioned in the official timeline.




      Powered Descent - Once the lander separates from its backshell and parachute, 12 descent engines on the lander begin firing and the onboard guidance software slows down the spacecraft until touchdown.







      share|improve this answer





















      • Show us the parachute after Insight landed....otherwise I for one would not be convinced.
        – chris
        Nov 30 at 11:41






      • 1




        The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
        – Hobbes
        Nov 30 at 12:03














      13












      13








      13






      I'm pretty sure it will be like the Phoenix lander. Collectively that part of the lander is referred to as the "Backshell". This is the image of Phoenix of the hardware on the surface.



      enter image description here



      This is mentioned in the official timeline.




      Powered Descent - Once the lander separates from its backshell and parachute, 12 descent engines on the lander begin firing and the onboard guidance software slows down the spacecraft until touchdown.







      share|improve this answer












      I'm pretty sure it will be like the Phoenix lander. Collectively that part of the lander is referred to as the "Backshell". This is the image of Phoenix of the hardware on the surface.



      enter image description here



      This is mentioned in the official timeline.




      Powered Descent - Once the lander separates from its backshell and parachute, 12 descent engines on the lander begin firing and the onboard guidance software slows down the spacecraft until touchdown.








      share|improve this answer












      share|improve this answer



      share|improve this answer










      answered Nov 26 at 13:07









      PearsonArtPhoto

      79.5k16226436




      79.5k16226436












      • Show us the parachute after Insight landed....otherwise I for one would not be convinced.
        – chris
        Nov 30 at 11:41






      • 1




        The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
        – Hobbes
        Nov 30 at 12:03


















      • Show us the parachute after Insight landed....otherwise I for one would not be convinced.
        – chris
        Nov 30 at 11:41






      • 1




        The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
        – Hobbes
        Nov 30 at 12:03
















      Show us the parachute after Insight landed....otherwise I for one would not be convinced.
      – chris
      Nov 30 at 11:41




      Show us the parachute after Insight landed....otherwise I for one would not be convinced.
      – chris
      Nov 30 at 11:41




      1




      1




      The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
      – Hobbes
      Nov 30 at 12:03




      The images we have so far, show that the parachute is not on top of InSight. Images from orbit will have to wait for the next HiRISE pass. InSight is similar to Phoenix, so the result will be similar to the photos shown in PearsonArtPhoto's answer.
      – Hobbes
      Nov 30 at 12:03











      11














      During the parachute descent, InSight's trajectory is at an angle to the vertical. After the backshell and parachute separate, the engines fire, leveling the craft. This allows some horizontal separation between the parachute and the craft:




      11:52 a.m. PST (2:52 p.m. EST) — Activation of the radar that will sense the distance to the ground



      11:53 a.m. PST (2:53 p.m. EST) — First acquisition of the radar signal



      20 seconds later — Separation from the back shell and parachute



      0.5 second later — The retrorockets, or descent engines, begin firing



      2.5 seconds later — Start of the "gravity turn" to get the lander into the proper orientation for landing



      22 seconds later — InSight begins slowing to a constant velocity (from 17 mph to a constant 5 mph, or from 27 kph to 8 kph) for its soft landing



      11:54 a.m. PST (2:54 p.m. EST) — Expected touchdown on the surface of Mars



      12:01 p.m. PST (3:01 p.m. EST) — "Beep" from InSight's X-band radio directly back to Earth, indicating InSight is alive and functioning on the surface of Mars



      https://mars.nasa.gov/news/8390/nasa-insight-landing-on-mars-milestones/




      Also of note:




      InSight controllers have been receiving daily weather updates of the Elysium Planitia landing site from NASA’s Mars Reconnaissance Orbiter – allowing controllers the chance to upload last-minute tweaks to the timing of InSight’s parachute deployment and activation of its landing radar system to account for landing-day weather characteristics.



      Of note, InSight was also designed to be able to land during a Martian dust storm – something it will not be required to do Monday but was nonetheless baked into the craft’s design given that, once launched, the science platform’s landing date and time were fixed and could not be postponed.



      https://www.nasaspaceflight.com/2018/11/nasa-mars-fleet-insight-landing-red-planet/







      share|improve this answer


























        11














        During the parachute descent, InSight's trajectory is at an angle to the vertical. After the backshell and parachute separate, the engines fire, leveling the craft. This allows some horizontal separation between the parachute and the craft:




        11:52 a.m. PST (2:52 p.m. EST) — Activation of the radar that will sense the distance to the ground



        11:53 a.m. PST (2:53 p.m. EST) — First acquisition of the radar signal



        20 seconds later — Separation from the back shell and parachute



        0.5 second later — The retrorockets, or descent engines, begin firing



        2.5 seconds later — Start of the "gravity turn" to get the lander into the proper orientation for landing



        22 seconds later — InSight begins slowing to a constant velocity (from 17 mph to a constant 5 mph, or from 27 kph to 8 kph) for its soft landing



        11:54 a.m. PST (2:54 p.m. EST) — Expected touchdown on the surface of Mars



        12:01 p.m. PST (3:01 p.m. EST) — "Beep" from InSight's X-band radio directly back to Earth, indicating InSight is alive and functioning on the surface of Mars



        https://mars.nasa.gov/news/8390/nasa-insight-landing-on-mars-milestones/




        Also of note:




        InSight controllers have been receiving daily weather updates of the Elysium Planitia landing site from NASA’s Mars Reconnaissance Orbiter – allowing controllers the chance to upload last-minute tweaks to the timing of InSight’s parachute deployment and activation of its landing radar system to account for landing-day weather characteristics.



        Of note, InSight was also designed to be able to land during a Martian dust storm – something it will not be required to do Monday but was nonetheless baked into the craft’s design given that, once launched, the science platform’s landing date and time were fixed and could not be postponed.



        https://www.nasaspaceflight.com/2018/11/nasa-mars-fleet-insight-landing-red-planet/







        share|improve this answer
























          11












          11








          11






          During the parachute descent, InSight's trajectory is at an angle to the vertical. After the backshell and parachute separate, the engines fire, leveling the craft. This allows some horizontal separation between the parachute and the craft:




          11:52 a.m. PST (2:52 p.m. EST) — Activation of the radar that will sense the distance to the ground



          11:53 a.m. PST (2:53 p.m. EST) — First acquisition of the radar signal



          20 seconds later — Separation from the back shell and parachute



          0.5 second later — The retrorockets, or descent engines, begin firing



          2.5 seconds later — Start of the "gravity turn" to get the lander into the proper orientation for landing



          22 seconds later — InSight begins slowing to a constant velocity (from 17 mph to a constant 5 mph, or from 27 kph to 8 kph) for its soft landing



          11:54 a.m. PST (2:54 p.m. EST) — Expected touchdown on the surface of Mars



          12:01 p.m. PST (3:01 p.m. EST) — "Beep" from InSight's X-band radio directly back to Earth, indicating InSight is alive and functioning on the surface of Mars



          https://mars.nasa.gov/news/8390/nasa-insight-landing-on-mars-milestones/




          Also of note:




          InSight controllers have been receiving daily weather updates of the Elysium Planitia landing site from NASA’s Mars Reconnaissance Orbiter – allowing controllers the chance to upload last-minute tweaks to the timing of InSight’s parachute deployment and activation of its landing radar system to account for landing-day weather characteristics.



          Of note, InSight was also designed to be able to land during a Martian dust storm – something it will not be required to do Monday but was nonetheless baked into the craft’s design given that, once launched, the science platform’s landing date and time were fixed and could not be postponed.



          https://www.nasaspaceflight.com/2018/11/nasa-mars-fleet-insight-landing-red-planet/







          share|improve this answer












          During the parachute descent, InSight's trajectory is at an angle to the vertical. After the backshell and parachute separate, the engines fire, leveling the craft. This allows some horizontal separation between the parachute and the craft:




          11:52 a.m. PST (2:52 p.m. EST) — Activation of the radar that will sense the distance to the ground



          11:53 a.m. PST (2:53 p.m. EST) — First acquisition of the radar signal



          20 seconds later — Separation from the back shell and parachute



          0.5 second later — The retrorockets, or descent engines, begin firing



          2.5 seconds later — Start of the "gravity turn" to get the lander into the proper orientation for landing



          22 seconds later — InSight begins slowing to a constant velocity (from 17 mph to a constant 5 mph, or from 27 kph to 8 kph) for its soft landing



          11:54 a.m. PST (2:54 p.m. EST) — Expected touchdown on the surface of Mars



          12:01 p.m. PST (3:01 p.m. EST) — "Beep" from InSight's X-band radio directly back to Earth, indicating InSight is alive and functioning on the surface of Mars



          https://mars.nasa.gov/news/8390/nasa-insight-landing-on-mars-milestones/




          Also of note:




          InSight controllers have been receiving daily weather updates of the Elysium Planitia landing site from NASA’s Mars Reconnaissance Orbiter – allowing controllers the chance to upload last-minute tweaks to the timing of InSight’s parachute deployment and activation of its landing radar system to account for landing-day weather characteristics.



          Of note, InSight was also designed to be able to land during a Martian dust storm – something it will not be required to do Monday but was nonetheless baked into the craft’s design given that, once launched, the science platform’s landing date and time were fixed and could not be postponed.



          https://www.nasaspaceflight.com/2018/11/nasa-mars-fleet-insight-landing-red-planet/








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 26 at 13:58









          Dr Sheldon

          4,62611647




          4,62611647























              3














              Here is the latest photo:



              InSight landing area photographed by HiRise



              Everything landed with excellent separation. The heat shield is upper right corner of the larger photo, the parachute and backshell bottom left of center and the lander is middle left side.





              Answer prior to last edit:



              An explanation of the landing and a comparison with Phoenix is available at NASA's Insight Entry, Descent and Landing webpage, but it doesn't answer your question as clearly as NASA's LiveStream video of Insight's landing at 13:18.



              At an altitude of one mile the lander falls away from the back-shell and lights it's engines, then it rotates away so the back-shell doesn't come down and hit it.



              The failed landing of the ESA Schiaparelli is shown on the JPL webpage: "PIA21131: Closer Look at Schiaparelli Impact Site on Mars - "the parachute deployed as planned but was released (with back shell) prematurely, and the lander hit the ground at a velocity of more than 180 miles per hour (more than 300 kilometers per hour)".



              Despite coming in far too quickly there is excellent separation between the pieces as shown in this photo (click to zoom):



              Schiaparelli crash site




              "At lower left is the parachute, adjacent to the back shell, which was its attachment point on the spacecraft. The parachute is much brighter than the Martian surface in this region. The smaller circular feature just south of the bright parachute is about the same size and shape as the back shell, (diameter of 7.9 feet or 2.4 meters).



              At upper right are several bright features surrounded by dark radial impact patterns, located about where the heat shield was expected to impact. The bright spots may be part of the heat shield, such as insulation material, or gleaming reflections of the afternoon sunlight.".




              A later photo taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed shows: "Schiaparelli Impact Site on Mars, in Color".



              Since the Insight lander was able to send back a test photo I conclude that the heat shield did not strike it and it wasn't covered by the parachute. A photo of the landing site from HiRes may be forthcoming.






              share|improve this answer




























                3














                Here is the latest photo:



                InSight landing area photographed by HiRise



                Everything landed with excellent separation. The heat shield is upper right corner of the larger photo, the parachute and backshell bottom left of center and the lander is middle left side.





                Answer prior to last edit:



                An explanation of the landing and a comparison with Phoenix is available at NASA's Insight Entry, Descent and Landing webpage, but it doesn't answer your question as clearly as NASA's LiveStream video of Insight's landing at 13:18.



                At an altitude of one mile the lander falls away from the back-shell and lights it's engines, then it rotates away so the back-shell doesn't come down and hit it.



                The failed landing of the ESA Schiaparelli is shown on the JPL webpage: "PIA21131: Closer Look at Schiaparelli Impact Site on Mars - "the parachute deployed as planned but was released (with back shell) prematurely, and the lander hit the ground at a velocity of more than 180 miles per hour (more than 300 kilometers per hour)".



                Despite coming in far too quickly there is excellent separation between the pieces as shown in this photo (click to zoom):



                Schiaparelli crash site




                "At lower left is the parachute, adjacent to the back shell, which was its attachment point on the spacecraft. The parachute is much brighter than the Martian surface in this region. The smaller circular feature just south of the bright parachute is about the same size and shape as the back shell, (diameter of 7.9 feet or 2.4 meters).



                At upper right are several bright features surrounded by dark radial impact patterns, located about where the heat shield was expected to impact. The bright spots may be part of the heat shield, such as insulation material, or gleaming reflections of the afternoon sunlight.".




                A later photo taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed shows: "Schiaparelli Impact Site on Mars, in Color".



                Since the Insight lander was able to send back a test photo I conclude that the heat shield did not strike it and it wasn't covered by the parachute. A photo of the landing site from HiRes may be forthcoming.






                share|improve this answer


























                  3












                  3








                  3






                  Here is the latest photo:



                  InSight landing area photographed by HiRise



                  Everything landed with excellent separation. The heat shield is upper right corner of the larger photo, the parachute and backshell bottom left of center and the lander is middle left side.





                  Answer prior to last edit:



                  An explanation of the landing and a comparison with Phoenix is available at NASA's Insight Entry, Descent and Landing webpage, but it doesn't answer your question as clearly as NASA's LiveStream video of Insight's landing at 13:18.



                  At an altitude of one mile the lander falls away from the back-shell and lights it's engines, then it rotates away so the back-shell doesn't come down and hit it.



                  The failed landing of the ESA Schiaparelli is shown on the JPL webpage: "PIA21131: Closer Look at Schiaparelli Impact Site on Mars - "the parachute deployed as planned but was released (with back shell) prematurely, and the lander hit the ground at a velocity of more than 180 miles per hour (more than 300 kilometers per hour)".



                  Despite coming in far too quickly there is excellent separation between the pieces as shown in this photo (click to zoom):



                  Schiaparelli crash site




                  "At lower left is the parachute, adjacent to the back shell, which was its attachment point on the spacecraft. The parachute is much brighter than the Martian surface in this region. The smaller circular feature just south of the bright parachute is about the same size and shape as the back shell, (diameter of 7.9 feet or 2.4 meters).



                  At upper right are several bright features surrounded by dark radial impact patterns, located about where the heat shield was expected to impact. The bright spots may be part of the heat shield, such as insulation material, or gleaming reflections of the afternoon sunlight.".




                  A later photo taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed shows: "Schiaparelli Impact Site on Mars, in Color".



                  Since the Insight lander was able to send back a test photo I conclude that the heat shield did not strike it and it wasn't covered by the parachute. A photo of the landing site from HiRes may be forthcoming.






                  share|improve this answer














                  Here is the latest photo:



                  InSight landing area photographed by HiRise



                  Everything landed with excellent separation. The heat shield is upper right corner of the larger photo, the parachute and backshell bottom left of center and the lander is middle left side.





                  Answer prior to last edit:



                  An explanation of the landing and a comparison with Phoenix is available at NASA's Insight Entry, Descent and Landing webpage, but it doesn't answer your question as clearly as NASA's LiveStream video of Insight's landing at 13:18.



                  At an altitude of one mile the lander falls away from the back-shell and lights it's engines, then it rotates away so the back-shell doesn't come down and hit it.



                  The failed landing of the ESA Schiaparelli is shown on the JPL webpage: "PIA21131: Closer Look at Schiaparelli Impact Site on Mars - "the parachute deployed as planned but was released (with back shell) prematurely, and the lander hit the ground at a velocity of more than 180 miles per hour (more than 300 kilometers per hour)".



                  Despite coming in far too quickly there is excellent separation between the pieces as shown in this photo (click to zoom):



                  Schiaparelli crash site




                  "At lower left is the parachute, adjacent to the back shell, which was its attachment point on the spacecraft. The parachute is much brighter than the Martian surface in this region. The smaller circular feature just south of the bright parachute is about the same size and shape as the back shell, (diameter of 7.9 feet or 2.4 meters).



                  At upper right are several bright features surrounded by dark radial impact patterns, located about where the heat shield was expected to impact. The bright spots may be part of the heat shield, such as insulation material, or gleaming reflections of the afternoon sunlight.".




                  A later photo taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed shows: "Schiaparelli Impact Site on Mars, in Color".



                  Since the Insight lander was able to send back a test photo I conclude that the heat shield did not strike it and it wasn't covered by the parachute. A photo of the landing site from HiRes may be forthcoming.







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                  edited Dec 24 at 15:12

























                  answered Nov 26 at 23:35









                  Rob

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