Space Exploration

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Awarded 6892 times.
What is crossrange and downrange for an entry vehicle?
Awarded 1 hour ago
Why does the heatshield have to be on the outside?
Awarded yesterday
How fast were the Lunar Command Module and Landing Module traveling around the Moon when they reconnected?
Awarded yesterday
Why does the heatshield have to be on the outside?
Awarded yesterday
Are there multiple types of UTC time?
Awarded Dec 1 at 23:21
What kept the Soviets from going to the Moon (before the US)?
Awarded Nov 29 at 14:18
What kept the Soviets from going to the Moon (before the US)?
Awarded Nov 28 at 16:21
Space craft and interstellar objects
Awarded Nov 28 at 16:11
What kept the Soviets from going to the Moon (before the US)?
Awarded Nov 28 at 8:10
What kept the Soviets from going to the Moon (before the US)?
Awarded Nov 27 at 20:18
What kept the Soviets from going to the Moon (before the US)?
Awarded Nov 27 at 18:16
How can a rocket's self-destruct make for a safer situation than being out-of-control?
Awarded Nov 27 at 6:30
How can a rocket's self-destruct make for a safer situation than being out-of-control?
Awarded Nov 27 at 6:30
Is this 62 mile interception altitude reasonable for this stated missile trajectory?
Awarded Nov 27 at 1:35
Object slowest at periapsis - despite correct position calculation
Awarded Nov 24 at 18:35
Has any space probe changed course (in a large way) over time?
Awarded Nov 24 at 14:12
Wouldn’t Super Heavy flip following stage seperation, even without help from its 3 lit engines?
Awarded Nov 21 at 20:07
Person falling from space
Awarded Nov 20 at 9:46
What are these "fountains" during the deluge for the Super Heavy launch?
Awarded Nov 20 at 9:31
What is/was the smallest orbital launch system, by total mass?
Awarded Nov 20 at 4:42
(How) would the water deluge system impact Starship superheavy captures?
Awarded Nov 19 at 18:50
Did Starship Ship 25 burn up on re-entry?
Awarded Nov 19 at 18:15
Was Starship’s “launch window” administrative, rather than due to orbital mechanics?
Awarded Nov 19 at 7:52
Term for deformation due to gravity
Awarded Nov 15 at 11:03
Term for deformation due to gravity
Awarded Nov 15 at 3:16
In circle orbit, give a delta V to a satellite, how to find final orbit altitude?
Awarded Nov 14 at 16:43
How much energy is lost by damping yaw from a SpinLaunch?
Awarded Nov 12 at 9:40
Why is SpaceX not also working on a smaller version of Starship?
Awarded Nov 11 at 10:04
What does the [-] symbol mean in satellite names?
Awarded Nov 11 at 4:11
How is hot staging of Starship expected to provide such a large (10%) increase in total mass to LEO?
Awarded Nov 11 at 3:20
Is there an anomalous variation of distance between Earth-Moon during a lunar eclipse?
Awarded Nov 10 at 7:21
Apollo 13's plutonium RTG re-entry into the Tonga Trench: Good shootin' or good luck?
Awarded Nov 9 at 16:40
Why do the boot prints on the moon appear bright in some photographs or film?
Awarded Nov 8 at 22:33
Does the atmospheric pressure of Mars fluctuate because of the seasonal evaporation of the polar ice caps?
Awarded Nov 7 at 19:35
Why are the Martian poles not covered by dust?
Awarded Nov 6 at 19:25
Why do the boot prints on the moon appear bright in some photographs or film?
Awarded Nov 6 at 14:05
Why does the Curiosity rover camera image resolution have "milliradians" as a unit?
Awarded Oct 29 at 17:12
Why does the Curiosity rover camera image resolution have "milliradians" as a unit?
Awarded Oct 29 at 15:41
Embedding foundations from low lunar orbit?
Awarded Oct 29 at 2:40
Before we build a Mars colony, why don't we build a 100% self-sustainable test colony in the Antarctic?
Awarded Oct 24 at 23:25
Before we build a Mars colony, why don't we build a 100% self-sustainable test colony in the Antarctic?
Awarded Oct 24 at 18:01
How does the James Webb space telescope measure wind shear?
Awarded Oct 24 at 3:11
What speed could you achieve by slingshotting around earth from moon?
Awarded Oct 20 at 16:47
Earth re-entry from orbit by a sequence of upper-atmosphere dips to reduce kinetic energy?
Awarded Oct 18 at 15:16
Change of inclination using low thrust
Awarded Oct 17 at 15:02
Earth re-entry from orbit by a sequence of upper-atmosphere dips to reduce kinetic energy?
Awarded Oct 16 at 23:45
How much time does it take to circularize a GTO orbit using ion propulsion?
Awarded Oct 14 at 16:48
Do knots behave any differently in zero gravity?
Awarded Oct 14 at 6:37
Do knots behave any differently in zero gravity?
Awarded Oct 14 at 6:37
Do larger rockets tend to have a better mass ratio due to the square cube law?
Awarded Oct 13 at 16:57
Do larger rockets tend to have a better mass ratio due to the square cube law?
Awarded Oct 12 at 15:08
Why wasn't the high-speed rotation regime for Ingenuity tested on Earth?
Awarded Oct 12 at 10:43
How precise are spacecraft trajectory measurements?
Awarded Oct 11 at 15:01
Delta V required to land and then ascend from the surface of every celestial body
Awarded Oct 11 at 14:07
What are the advantages of Ox-rich staged combustion?
Awarded Oct 10 at 17:17
What is Earth's apparent magnitude from geosynchronous orbit?
Awarded Oct 10 at 5:50
Why do Atlas III and V use Russian RD-180 engines?
Awarded Oct 9 at 17:56
Why is the central truss segment of the ISS called S0?
Awarded Oct 9 at 6:49
Which countries could launch a human into space on very short notice
Awarded Oct 6 at 15:25
(post deleted or otherwise unavailable)
Awarded Oct 5 at 20:57
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