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Space Exploration

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 6110 times.
What do these expressions mean in NASA's Steve Stitch's brief Starliner undocking statement?
Awarded 11 hours ago
How do the Mars rovers sleep through the night on Mars?
Awarded 15 hours ago
Could they free up a docking port on ISS by undocking the emergency vehicle and letting it float next to the station for a little while
Awarded 21 hours ago
Has anyone returned from space in a different vehicle from the one they went up in? And if so who was the first?
Awarded 23 hours ago
How cheap would rocket fuel have to be to make Mars colonization feasible (according to Musk)?
Awarded yesterday
How close did the landed first stage of the Falcon 9 get to the X on the landing pad?
Awarded 2 days ago
how did the Apollo 11 know its precise gyroscopic position?
Awarded 2 days ago
What does it mean when the Voyagers "switch thrusters"?
Awarded Sep 6 at 12:04
How do I learn more about rocketry?
Awarded Sep 5 at 20:50
What other marketable uses are there for Starship if Mars colonization falls through?
Awarded Sep 4 at 15:56
How would humans actually colonize Mars? [closed]
Awarded Sep 4 at 6:40
How can I plot satellite's trajectory from three different TLEs to detect any deviation on path with time?
Awarded Sep 3 at 12:20
How much time would an astronaut experience accelerating to .9999x the speed of light at an acceleration of 1G from the astronauts perspective?
Awarded Sep 2 at 13:06
What is happening when a TV satellite stops broadcasting during an "eclipse"?
Awarded Sep 2 at 9:12
If Starliner returns safely on autopilot, can this still prove that it's safe? Could it be launched back up to the ISS again to complete its mission?
Awarded Sep 1 at 13:51
Finding x,y,z, vx,vy,vz from Hyperbolic orbital elements
Awarded Aug 28 at 21:23
Did NASA "publish", then "delete" this and other photos of the ISS leak?
Awarded Aug 28 at 15:12
Highest stage counts in actual launchers?
Awarded Aug 27 at 1:36
How can I calculate the delta-v correctly, this way does not seem to be correct?
Awarded Aug 26 at 21:21
Are there any original heat shield tiles on any of the retired space shuttles that flew to space?
Awarded Aug 26 at 20:31
What ever happened to SpinSat - did it work?
Awarded Aug 26 at 20:31
Will this be the first time that there are more people aboad the ISS than seats in docked spacecraft?
Awarded Aug 26 at 8:42
Why, if gravity were higher, would designing a fully reusable rocket be impossible?
Awarded Aug 25 at 20:47
Are the ejected first stage Electron rocket batteries really incinerated?
Awarded Aug 25 at 20:27
If NASA's plan is to launch 4 astronauts to the ISS on CCtCAP vehicles, why design for 7?
Awarded Aug 25 at 6:35
Purpose of side holes on SuperDraco pods of DM-1 flight Dragon 2 capsule
Awarded Aug 24 at 20:32
What (if any) pre-breathes were "attempted" on the ISS, and why?
Awarded Aug 23 at 17:47
Would it take less thrust overall to put an object into higher orbit?
Awarded Aug 22 at 14:34
User help forum for GMAT (General Mission Analysis Tool) users?
Awarded Aug 21 at 20:52
How do Inmarsat 5 F4's beams correspond to all of these antennas and feeds?
Awarded Aug 21 at 18:36
How can flyby missions work?
Awarded Aug 21 at 10:15
Has any spacecraft ever been severely damaged by a micrometeorite?
Awarded Aug 20 at 15:42
Did anyone ever ask Neil Armstrong whether he said "for man" or "for a man?"
Awarded Aug 20 at 15:27
What if something goes wrong during the seven minutes of terror?
Awarded Aug 19 at 7:02
Where exactly was this picture of a huge solar eruption taken?
Awarded Aug 18 at 15:26
Is it possible to reach the Sun without expending any fuel/reaction mass?
Awarded Aug 17 at 19:56
What event determined the transfer of control from Kennedy Space Center to Houston?
Awarded Aug 17 at 7:30
How is lost ammonia replaced aboard the ISS?
Awarded Aug 16 at 20:05
Did the Space Shuttle weigh itself before deorbit?
Awarded Aug 15 at 16:33
Modelling ISS orbit in GMAT
Awarded Aug 15 at 14:17
Does the ISS yaw in orbit? And if so, why?
Awarded Aug 15 at 13:09
Is Elon’s “Idiot Index” an over-simplification?
Awarded Aug 15 at 6:49
Ephemeris output from Skyfield
Awarded Aug 14 at 16:17
Why was the Sabatier system removed from the ISS USOS?
Awarded Aug 14 at 15:40
What is the reliability of the Merlin engine?
Awarded Aug 14 at 14:11
Do space stations have anything that big spacecraft (such as the Space Shuttle and SpaceX Starship) don't have?
Awarded Aug 14 at 12:36
If the Van Allen Radiation Belt reaches temperatures of 35,000C, How is it possible to go through them when the craft has a boiling point of 4000C? [closed]
Awarded Aug 14 at 1:07
How can we form a data-communication relay chain for deep space exploration?
Awarded Aug 13 at 21:42
Is there a reason SpaceX does not spiral weld Starship rocket bodies?
Awarded Aug 12 at 7:21
What is so special about JUICE's flyby with Earth and Moon?
Awarded Aug 10 at 23:51
What is the estimate price for small ion thrusters on cubesats?
Awarded Aug 10 at 4:32
Have astronauts returned on a different class of spacecraft? [duplicate]
Awarded Aug 8 at 16:33
Why can I not use stoichiometry to calculate the O/F ratio of my rocket? [duplicate]
Awarded Aug 8 at 13:49
Transformation ECI to ECEF acceleration and forces
Awarded Aug 7 at 16:55
What size are the typical keep-inside boxes of geostationary telco satellites?
Awarded Aug 7 at 6:18
Feynman famously criticized the Space Shuttle program for not delivering any value to science. Did things improve in that regard since the 1980s?
Awarded Aug 6 at 12:34
Equation for orbital period around oblate bodies, based on J2?
Awarded Aug 5 at 14:21
Do they actually regularly send out people with space ships to spacewalk out and fix broken satellites?
Awarded Aug 4 at 5:19
How much algae would you need to fully support a person?
Awarded Aug 2 at 4:33
How does the current or future network latency of SpaceX Starlink compare to wired internet?
Awarded Aug 1 at 7:58
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