Space Exploration Beta

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Answer a question with score of 1 or more.
Awarded 2823 times.
Payload capacity of Electron rocket?
Awarded yesterday
Why is it so hard to build crewed rockets/spacecraft able to reach escape velocity?
Awarded Jan 17 at 2:21
Source of Gregorek's popular drag equation in ESTES TR-11?
Awarded Jan 16 at 22:30
Orbital launches
Awarded Jan 14 at 12:33
Does Perseverance's SuperCam include a Martian meteorite? If so, why?
Awarded Jan 13 at 19:17
Does upper atmosphere rotate with earth?
Awarded Jan 11 at 23:43
Why did rendezvous on Gemini 4 fail so badly?
Awarded Jan 11 at 16:11
Can a satellite orbit the ISS?
Awarded Jan 10 at 10:26
Challenges and power required to make useable iron from iron oxide on the surface of Mars?
Awarded Jan 7 at 19:10
Why does NASA now call its rovers “robotic scientists?”
Awarded Jan 7 at 9:26
Patched conics Earth to Mars transfer, find Vinf at arrival at Mars
Awarded Jan 6 at 0:47
What are the Basics of CubeSat Power Supplies and Systems?
Awarded Jan 5 at 7:19
Download all Curiosity photos?
Awarded Jan 5 at 0:21
How far can you fall on the Moon without injury?
Awarded Jan 4 at 15:55
Why does NASA now call its rovers “robotic scientists?”
Awarded Jan 4 at 14:37
After the loss of Challenger, why weren’t Galileo and Ulysses launched by Centaurs on expendable boosters?
Awarded Jan 1 at 19:40
Robotics & Space Missions; Why is the physical presence of people in spacecraft still necessary?
Awarded Dec 31 '20 at 23:19
Robotics & Space Missions; Why is the physical presence of people in spacecraft still necessary?
Awarded Dec 31 '20 at 23:19
What upgrades does the Merlin 1D need to increase its time between overhauls to 1000 hours?
Awarded Dec 31 '20 at 16:47
(post deleted or otherwise unavailable)
Awarded Dec 31 '20 at 2:50
Why did the Zond 5 tortoises lose body mass so quickly?
Awarded Dec 30 '20 at 23:03
Would a settlement on Mars need to import Nitrogen?
Awarded Dec 30 '20 at 13:25
How does one throw a boomerang in space? Does it return?
Awarded Dec 29 '20 at 14:17
Why is SpaceX not also working on a smaller version of Starship?
Awarded Dec 29 '20 at 0:03
Are SpaceX Falcon rocket boosters significantly cheaper to operate than traditional expendable boosters?
Awarded Dec 28 '20 at 17:46
Let's say I build an orbit-capable launch vehicle, what tests/certifications would the LV have to acquire to be allowed to launch payloads into orbit?
Awarded Dec 28 '20 at 4:05
Why is the Orbital Velocity after SECO of Crew Dragon with 27K km/h lower than of ISS?
Awarded Dec 27 '20 at 13:25
Do the ISS docking ports require maintenance?
Awarded Dec 26 '20 at 21:35
Why doesn't NASA release all the aerospace technology into public domain?
Awarded Dec 22 '20 at 17:17
Can Oberth bike? Is biking up and down a series of hills a good real-world analogy for understanding either the Oberth effect and/or gravity drag?
Awarded Dec 21 '20 at 10:26
Are all satellites of all planets in the same plane?
Awarded Dec 20 '20 at 21:40
How redundant are Orion's power and data units (PDUs)? Doubly? Quadruply? If so, why?
Awarded Dec 20 '20 at 1:05
What if a Space Shuttle entered the atmosphere of Venus?
Awarded Dec 19 '20 at 11:00
What “improvements in technology” allowed the primary mirror of RST (WFIRST) to be less than 1/4 the weight of Hubble's?
Awarded Dec 18 '20 at 9:41
For the Starship SN8 flight, did they lose engines in flight?
Awarded Dec 17 '20 at 10:26
Mars. Would it save time to launch from the ISS?
Awarded Dec 14 '20 at 18:50
Methane or LOX tank at Boca Chica
Awarded Dec 13 '20 at 22:41
What is the terminal velocity of SpaceX Starship?
Awarded Dec 11 '20 at 13:05
Why would SpaceX not use parachutes for the final descent of the first stage?
Awarded Dec 11 '20 at 11:05
Was there an anomaly during SN8's ascent which later led to the crash?
Awarded Dec 11 '20 at 1:02
Was there an anomaly during SN8's ascent which later led to the crash?
Awarded Dec 10 '20 at 13:05
(post deleted or otherwise unavailable)
Awarded Dec 10 '20 at 12:55
How big is Mars as seen from Phobos?
Awarded Dec 9 '20 at 8:45
Can we destroy an asteroid by spinning it?
Awarded Dec 9 '20 at 2:35
Why do exploration spacecraft like Voyager 1 and 2 go through the asteroid belt, and not over or below it?
Awarded Dec 8 '20 at 21:06
How will the Lunar Gateway go to L2 and L1; how much delta-v is needed?
Awarded Dec 6 '20 at 15:26
What is the alternate hangar SpaceX has available at the Cape?
Awarded Dec 6 '20 at 2:11
Local observer coordinate system at satellite panel (LVLH coordinate system)
Awarded Dec 3 '20 at 0:20
What led NASA et al. to decide the ISS should be a zero-g station when the massive negative health and quality of life impacts of zero-g were known?
Awarded Dec 2 '20 at 23:12
Origin of term “Block I”, “Block II”, etc
Awarded Dec 2 '20 at 19:10
What led NASA et al. to decide the ISS should be a zero-g station when the massive negative health and quality of life impacts of zero-g were known?
Awarded Dec 1 '20 at 20:51
Using of the rocket propellant for engine cooling
Awarded Dec 1 '20 at 19:05
Ion Thruster Thrust Calculation Problem
Awarded Dec 1 '20 at 7:10
Where can I buy lunar regolith simulant?
Awarded Nov 30 '20 at 21:12
(post deleted or otherwise unavailable)
Awarded Nov 30 '20 at 18:51
Is there any kind of research on *sub*-orbital rendezvous-ing with a space tug outside the atmosphere?
Awarded Nov 30 '20 at 13:35
Puzzler - which spacecraft(s) incorporated real wood structural elements?
Awarded Nov 30 '20 at 10:33
Modelling a circularizing burn at Apogee
Awarded Nov 29 '20 at 14:03
(post deleted or otherwise unavailable)
Awarded Nov 28 '20 at 21:17
How do I obtain geocentric position vectors at three successive times before I use Gibbs' method?
Awarded Nov 26 '20 at 23:30
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