View Single Post
Feb24-12, 07:00 PM
P: 656
Hi everyone,

I have a question - what's the smallest unmanned entry vehicle possible for descent from Martian orbit to the surface using an aeroshield and parachute?
What kind of mass and dimensions would be feasible for a minimal payload?
Do you think 10cm wide is too small? How about 5cm wide?
5 kg? 2 kg?
How small is too small?

What's the smallest you can go, before weird problems of slipstream turbulence and cross-winds cause too much difficulty in targeting a landing zone?
The landing zone I was thinking of was a fairly large one - the Hellas Basin - and so I'd imagine it wouldn't be too hard to hit from a polar orbit.

The payload merely has to be able to measure ambient temperature, atmospheric pressure and water humidity on the surface in Hellas Basin.

Any useful feedback is appreciated.
Phys.Org News Partner Science news on
Security CTO to detail Android Fake ID flaw at Black Hat
Huge waves measured for first time in Arctic Ocean
Mysterious molecules in space