User Paul

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answers

4k

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

Nov 5 '17 at 22:35 Community♦ 1

2

21

votes

3

answers

4k

views

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

11

votes

6

answers

3k

views

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 123k

6

votes

1

answer

318

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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 145k

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5

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answer

157

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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 1,143

2

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votes

4

answers

527

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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 4,731

5

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0

answers

118

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What aerothermal effects present significant challenges in supersonic retropropulsion?

advanced-propulsion aerodynamics thermodynamics

Oct 9 '17 at 1:15 uhoh 123k

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 2,954

4

votes

1

answer

528

views

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 4,637

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2

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1k

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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

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4

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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 1,879

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3

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1

answer

56

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Up to what mach/reynolds numbers will Ingenuity be tested?

mars aerodynamics ingenuity

6h ago tfb 6,623

3

votes

2

answers

243

views

How do we determine the internal composition of gas giants?

planetary-science experiment gas-giant

Jun 23 '18 at 0:55 Tom Spilker 17k

3

votes

1

answer

185

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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 145k

3

votes

0

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88

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

stages mass-fraction

Sep 27 '17 at 14:24 Paul 1,879

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votes

0

answers

55

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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 1,879

2

votes

2

answers

296

views

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 1,812

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 7,241

2

votes

0

answers

112

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 2,954

2

votes

2

answers

1k

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

mars reentry

Sep 18 '17 at 15:26 Mark Adler 55k

1

vote

1

answer

502

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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 9,377

1

vote

2

answers

428

views

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 123k

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22 Questions

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

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

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

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

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

Are robot arms ever used for attitude control in space?

What aerothermal effects present significant challenges in supersonic retropropulsion?

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

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

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

Differential Equations for Rocket Launch in Polar Coordinates

Up to what mach/reynolds numbers will Ingenuity be tested?

How do we determine the internal composition of gas giants?

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

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

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

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

Time of flight between two anomalies in a known orbital trajectory

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?

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

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