s-m-e's user avatar
s-m-e's user avatar
s-m-e's user avatar
s-m-e
  • Member for 10 years, 9 months
  • Last seen more than 1 year ago
25 votes
Accepted

How would an astronaut's hand react to a hard vacuum?

23 votes
Accepted

Are Mercury/Apollo/Gemini capsules visible in any museum?

22 votes
Accepted

How long does a CubeSat last?

19 votes

Is there any advantage in launching spacecraft from a high latitude, or why was Plesetsk built so far north?

18 votes
Accepted

Is there any reason why American spacesuits color changed over years?

18 votes

What is the smallest operational artificial satellite?

17 votes
Accepted

How much of the Interplanetary Transport Network is currently known?

16 votes
Accepted

Is there an ISS replacement planned?

16 votes
Accepted

Puncturing space suit during EVA. What would happen?

15 votes
Accepted

"Failure is not an option" is really a quote of flight director Gene Kranz?

14 votes
Accepted

Have any countries laid claim to territory in space?

14 votes
Accepted

How does a single rocket place multiple satellites into orbit?

13 votes
Accepted

Do spaceships carry plants? If not, why?

12 votes
Accepted

How frequently do asteroids collide with each other?

11 votes

Does man send any signal to attract aliens?

11 votes
Accepted

What is the biggest number of astronauts in EVA at the same time ever reached in space history?

11 votes
Accepted

What, if any, plans have been made for handling events like a geomagnetic reversal?

9 votes
Accepted

Could a spacecraft be made out of lunar materials?

9 votes

What is the main problem of Luna's base? Why is there a 3rd generation of orbital bases and no Luna base?

8 votes

What are the actual legal prerequisites for extracting natural resources from asteroids by private entities?

8 votes
Accepted

How could I travel to space as an ordinary citizen?

8 votes
Accepted

Does ISS perform any commercial operations?

8 votes
Accepted

How are planetary landers to low gravity bodies (asteroids/comets) designed?

8 votes
Accepted

Do we have instruments that can measure the depth of storms like the Great Red Spot on Jupiter and the Great Dark Spot on Neptune?

8 votes

How do you weigh things in a micro-gravity environment?

7 votes

Are there any other Earth-like planets in the universe?

7 votes
Accepted

Could black holes be used for swing-by?

7 votes
Accepted

How is equipment sterilized for space missions?

6 votes

What time zone is used on ISS to define a day?

6 votes

Are there enough oxygen molecules in space that they could be compressed into breathable oxygen?