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1 vote
4 answers
524 views

Why does the Perseverance Rover do sample caching?

As glad as I am that Perseverance's landing was successful, I'm a bit confused as to why there appears to be so little science equipment aboard the rover (by volume) and why the mission seems to be ...
Dragongeek's user avatar
  • 19.6k
26 votes
1 answer
3k views

What skipped test on Genesis would have detected the backwards-inserted accelerometer which didn't deploy the parachute?

What precautions are planned to prevent samples returned from Mars crashing and releasing organisms on Earth? and this answer to Why would bringing samples from Mars back to Earth be a “civilization-...
uhoh's user avatar
  • 149k
2 votes
1 answer
266 views

Will surface samples from Mars orbit the planet in a spherical capsule until captured?

The abstract of the interesting 2001 NASA JPL paper Covering a Sphere with Retroreflectors says: Abstract- One of the future missions for Mars involves returning a soil sample from the Martian ...
uhoh's user avatar
  • 149k
2 votes
1 answer
342 views

How exactly does this Apollo astronaut's tool work? What was it called?

The BBC News article Apollo in 50 numbers: Weights and Measures shows the following photo with the caption: The astronauts brought back more than 360kg (790lb) of Moon rocks for study on Earth (...
uhoh's user avatar
  • 149k
9 votes
1 answer
385 views

Does NASA still plan for the Mars Ascent Vehicle to burn wax from the surface to orbit?

The NASA news item From Pedicures to the Peregrine Rocket, Paraffin Wax Proves Its Worth says: The paraffin-based fuel also works under challenging environmental conditions, like the very low ...
uhoh's user avatar
  • 149k