User Paul

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

astronaut-lifestyle food

Jun 29 at 5:09 Paul 1,860

11

votes

6

answers

3k

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

orbital-mechanics orbital-maneuver escape-velocity

Oct 3 '19 at 3:31 uhoh 116k

2

21

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3

answers

4k

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

space-station physics

Dec 20 '18 at 18:04 Punintended 324

2

5

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4

answers

519

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Are robot arms ever used for attitude control in space?

attitude robotic-arm canadarm

Sep 21 '18 at 1:26 ChrisR 3,938

3

votes

2

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227

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How do we determine the internal composition of gas giants?

planetary-science experiment gas-giant

Jun 23 '18 at 0:55 Tom Spilker 16.7k

1

5

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1

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156

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

artificial-satellite attitude rotation

Dec 20 at 10:37 Peter Nazarenko 1,135

4

votes

1

answer

518

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

nasa space-industry

Mar 15 '19 at 16:42 Mark Omo 4,499

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4k

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

iss space-shuttle mission-design

Nov 5 '17 at 22:35 Community♦ 1

5

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0

answers

116

views

What aerothermal effects present significant challenges in supersonic retropropulsion?

advanced-propulsion aerodynamics thermodynamics

Oct 9 '17 at 1:15 uhoh 116k

3

votes

1

answer

182

views

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

trajectory interplanetary hohmann-transfer soi

Oct 1 '17 at 1:56 Russell Borogove 140k

1

vote

1

answer

492

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

mass thrust stages

Sep 30 '17 at 3:36 Loren Pechtel 8,717

3

votes

0

answers

88

views

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

stages mass-fraction

Sep 27 '17 at 14:24 Paul 1,860

1

5

votes

2

answers

970

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

space-shuttle thrust gimbaled-engines gravity-turn

Apr 16 '18 at 6:10 Neal Houston 1

2

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2

answers

282

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

orbital-mechanics soi time-of-flight

Feb 4 '18 at 12:07 notovny 1,767

4

votes

2

answers

1k

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

orbital-mechanics specific-impulse

Dec 23 at 22:58 peterh - Reinstate Monica 1

1

vote

2

answers

410

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

orbital-mechanics interplanetary escape-velocity

Sep 20 '17 at 4:21 uhoh 116k

6

votes

1

answer

310

views

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

orbital-mechanics interplanetary escape-velocity launch-window

Sep 19 '17 at 19:19 Russell Borogove 140k

2

votes

0

answers

109

views

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

orbital-mechanics interplanetary

Sep 19 '17 at 0:07 peterh - Reinstate Monica 1

2

votes

2

answers

920

views

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

mars reentry

Sep 18 '17 at 15:26 Mark Adler 54.8k

2

votes

1

answer

1k

views

Time of flight between two anomalies in a known orbital trajectory

orbital-mechanics trajectory time-of-flight

Sep 21 '17 at 22:40 Jerard Puckett 7,171

1

4

votes

0

answers

1k

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Differential Equations for Rocket Launch in Polar Coordinates

launch orbital-mechanics trajectory

Sep 8 '17 at 12:25 Paul 1,860

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21 Questions

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

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

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

Are robot arms ever used for attitude control in space?

How do we determine the internal composition of gas giants?

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

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

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

What aerothermal effects present significant challenges in supersonic retropropulsion?

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

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

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

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

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

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

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

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

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

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

Time of flight between two anomalies in a known orbital trajectory

Differential Equations for Rocket Launch in Polar Coordinates