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7 votes

Is the Beagle fixable?

Maybe possible, but profoundly pointless. All landing missions on Mars are planned away from each other. This is done in order to get information from diverse places and to avoid skewing the ...
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5 votes
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Mars gyrocopter - feasibility

The general advantage of auto-gyros is slower speed of flight than fixed wing aircraft while having similar operating costs due to simpler mechanical design compared to a helicopter. They do however ...
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4 votes

What if Perseverance had experienced a fault after dropping Ingenuity?

If that had happened, Ingenuity would have been trapped and unable to operate. It was built and launched as a "technology demonstrator," at very low cost by NASA spaceflight standards, only ...
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4 votes

Is crater counting accurate for relative dating between celestial bodies?

Crater density dating is used for each celestial object individually. A higher density for a particular object, say the Moon, implies that region of the Moon is older than a region on the Moon with a ...
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3 votes
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Is crater counting accurate for relative dating between celestial bodies?

It can be done, to a certain level of accuracy. The question boils down to whether cratering rates are unique to individual planets, or common between planets within the solar system. The answer is ...
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3 votes

Is crater counting accurate for relative dating between celestial bodies?

In December of 2020 China's Change'e 5 brought a 3.81 lb sample from the moon. The dating of bits from that sample to about two billion years ago helps to estimate the age of celestial surfaces with a ...
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3 votes
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At what Mars-time did Perseverance land?

Perseverance landed in the late afternoon, at around 15:54 Local Mean Solar Time according to Wikipedia. This image taken at 15:51:55 by Perseverance's Lander Vision System Camera is from some way ...
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  • 1,625
2 votes

Is there any chance that Opportunity survived, but NASA kept pinging it at the wrong time?

Short answer is, it's most likely very dead. Opportunity had several issues leading into the storm period, including a failing processor. Once it was not getting enough light, the expected sequence of ...
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1 vote

How are the Mars Rovers maintained?

The simple answer is, Mars rovers AREN'T maintained. Any damage sustained is beyond our repair. Although, Mars Phoenix lander once fixed itself by hitting itself with its shovel. And recently, InSight ...
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1 vote
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What is the current state of knowledge regarding embryology (from an animal husbandry perspective) in Mars-g gravity?

There's plenty of experimental data for microgravity conditions. But the only Mars-gravity experiment that I could find in the National Library of Medicine used an in vitro culture of plant cells. ...
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1 vote

How does the Curiosity rover survive dust storms on Mars?

Simple answer: Curiosity doesn't need to do much of anything special to survive a storm, because it does not rely on the Sun for power. Long answer: Curiosity is largely unaffected by storms, because ...
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