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Andy
  • Member for 7 years, 2 months
  • Last seen more than 5 years ago
57 votes
Accepted

What's the baseball bat for? (seen in CRS-8 berthing NASA TV broadcast)

30 votes
Accepted

How did astronauts navigate the Lunar Roving Vehicle (LRV) over the surface of the Moon?

28 votes
Accepted

Do Astronauts lose finger nails in space?

26 votes
Accepted

Why did the Apollo Lunar Module have four landing legs?

21 votes

How was it possible for the Apollo 11 to film and take pictures with such radiation?

20 votes
Accepted

Platinum Colloid in Liquid Hydrogen fuel to increase fuel efficiency

18 votes
Accepted

What are the top temperatures occurring during reentry?

15 votes

What would be the (most difficult) challenge to make a 10,000 year satellite?

15 votes

How serious a problem can outgassing of satellites be?

14 votes
Accepted

Why are sections of Cassini photographs blurred?

13 votes
Accepted

How precise are our Mars landings?

12 votes

By what methods can cubesats move from LEO to higher orbits?

12 votes

Why were Space Shuttle astronauts able to walk off the orbiter?

12 votes

Who is the space artist? Patterns on the Spheres robots on the ISS

11 votes
Accepted

When can we (public) expect to see the first optical images of Jupiter from the Juno spacecraft?

10 votes
Accepted

What is the 'ET Disposal Problem'?

9 votes
Accepted

Why did the Zond 5 tortoises lose body mass so quickly?

9 votes
Accepted

Dragon 2 Propellant Capacity

8 votes
Accepted

What are these structures on the Lunar Ranging Retro Reflector (LRRR) arrays for?

8 votes
Accepted

Detecting a Nuclear powered vehicle from outer space (at least 8 AU or further out) feasible?

7 votes
Accepted

Communion on the Moon

7 votes

How much harder is it to land on the Moon away from the equator and the poles?

7 votes

Why does the ISS always point the same side towards the Earth?

6 votes

Could fuel be "hosed" (pumped) from the ground to a launcher?

6 votes

Why is comet deflection so hard (and how does a fusion rocket help)?

6 votes

Drone Racing on moon

6 votes
Accepted

How is long-distance optical communications coming along in space?

6 votes
Accepted

How will Yuri Milner and Stephen Hawking's nanobots decelerate and transmit data upon arrival at Alpha Centauri?

5 votes
Accepted

In what way is artificial gravity expected to avoid/reduce bone loss?

5 votes

How long can a LEO Satellite maintain its orbit if it loses all power?