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David Ratti's user avatar
David Ratti's user avatar
David Ratti's user avatar
David Ratti
  • Member for 9 years, 8 months
  • Last seen more than 1 year ago
18 votes
Accepted

Why doesn't NASA create targeted campaigns for donations?

17 votes

What happened to the HDEV ISS Experiment? Is it over?

8 votes
Accepted

Were there significant instances of cooperation during the Space Race?

5 votes

Are there any non-government owned, non-US based, companies that are in the process of developing manned spaceflight?

5 votes
Accepted

Why would an 8-minute burn result in a 6-month delay?

5 votes

Disposition of the Oxidizer Tank in Rockets with Autogenous Pressurization

2 votes

Is the "Mars blue dune" actually blue? And what makes it so?

2 votes

Espionage in the Space Race

2 votes

Starting a liquid fuel engine in zero gravity

2 votes

Difference between colloid thrusters and electro spray thrusters

2 votes

What are the synergies between today's suborbital private businesses and space flight?

2 votes
Accepted

Approximately how much fuel will ISRO Mars Orbiter have available when it enter Mars' orbit?

1 vote

Mars Pictures Taken By MOM

0 votes

What are the uses and limitations of moored (powered) balloons? (Compared to GEO, sounding rockets et c.)