Happy Birthday Oppy

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rlewis







PostPosted: January 30, 2017 7:05 PM 

What? No birthday wishes as Oppy turns 13 today!! What a milestone!!

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Mizar


Posts: 692

Reply: 1



PostPosted: January 31, 2017 5:01 PM 

It is unbelievable. How long will the batteries and all those electric motors and gears withstand the harsh conditions present on Mars? And all cables and connections? Hat off for those engineers which designed this! Too bad Spirit was so unlucky to dig its wheels down in gravel and unable to make sunlight on its solar panels.

Dana Johnson


Posts: 1195

Reply: 2



PostPosted: February 1, 2017 4:46 PM 

Seems we need two rovers per location perhaps? Specialized tools on each, and a bumper-tow bar on each. Sample gathering and retreival could be efficient with two vehicles. In a few years they resemble

Dana Johnson


Posts: 1195

Reply: 3



PostPosted: February 1, 2017 5:47 PM 

In a few years they may resemble as much a humanoid on wheels as much as these rolling platforms.
If this report of multi-billion year issuance of same magma sourced chemistry from a single location and a single launch cause is correct, we have need elaborate tooling and long distance transport to find source fields of organics and fossil specimins. Long traverse paths with mining capability might be required to avoid even the atmospheric domination of deposited chemistry from these vast emmisions from the mantle. Apparently the sources are vast and deep to cause 2-3 billion year melt issuance, unless fixed gravity shear tectonics gave limited distribution of the melt as on Earth's ocean basins.
Could newer rovers exceed the 13 year travel time of Opportunity with either nuclear or solar power sources?

Dana Johnson


Posts: 1195

Reply: 4



PostPosted: February 1, 2017 5:48 PM 

https://www.sciencenews.org/article/red-planets-interior-may-not-churn-much

Dana Johnson


Posts: 1195

Reply: 5



PostPosted: February 9, 2017 4:39 PM 


https://www.scientificamerican.com/article/nasa-rsquo-s-next-rover-faces-steep-challenges-on-path-to-mars/

2020 rover has delay possibilities ahead, but better wheels scheduled.

[link]

Which is best. A smaller rover with solar power or the new MSL and 2020 with nuclear power?

I am still amazed the drop-airbag technique worked multiple times. I am pleased so much confidence was issued to try the technique, and hope no offense was made by the gesture of low technology.
Congratulations on the work and teams.
Thanks to the robotic rovers generally.




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