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Paul
  • Member for 9 years, 10 months
  • Last seen more than 1 year ago
  • 149.6 million km from the sun
26 votes
2 answers
5k views

Would it have been any more difficult to build the space station without the space shuttle?

20 votes
3 answers
4k views

How best to maneuver inside a large room within a space station using only arm and leg motion?

11 votes
6 answers
3k views

What kind of mission objective would make a parabolic escape trajectory desirable?

7 votes
1 answer
391 views

What factors determine how long a window of opportunity opens for an interplanetary hohmann transfer?

6 votes
1 answer
259 views

Up to what Mach/Reynolds numbers will Ingenuity be tested?

5 votes
4 answers
650 views

Are robot arms ever used for attitude control in space?

5 votes
2 answers
2k views

How can I design a finite thrust maneuver to approximate an impulse thrust maneuver?

5 votes
1 answer
206 views

In what circumstance would it be useful for a satellite’s angular velocity to differ from its reference frame’s angular velocity?

5 votes
0 answers
130 views

What aerothermal effects present significant challenges in supersonic retropropulsion?

4 votes
2 answers
1k views

How are rockets gimballed to produce a gravity turn for the space shuttle?

4 votes
1 answer
741 views

Is there a comprehensive list of NASA contractors with a list of projects that they are assigned to do?

4 votes
0 answers
2k views

Differential Equations for Rocket Launch in Polar Coordinates

3 votes
2 answers
2k views

How to model the martian atmospheric density variations with respect to altitude?

3 votes
0 answers
130 views

How can I control the departure and arrival aiming radii in an ideal interplanetary trajectory?

3 votes
2 answers
548 views

How can I find the time of flight between spheres of influence?

3 votes
2 answers
460 views

How do we determine the internal composition of gas giants?

3 votes
0 answers
103 views

Understanding the multi-stage mass tables in Wiesel's Spaceflight Dynamics

3 votes
1 answer
221 views

From which direction should a spacecraft intercept a target planet's sphere of influence for an inner-to-outer planet trajectory?

2 votes
1 answer
3k views

Time of flight between two anomalies in a known orbital trajectory

2 votes
0 answers
65 views

What are the most commonly consumed solid foods on the space station and why?

1 vote
2 answers
1k views

What is the characteristic time to reach a hyperbolic excess velocity within a sphere of influence?

1 vote
1 answer
603 views

How can I obtain the necessary thrusts / mass flow rates to achieve a given burnout velocity for an optimally staged rocket?