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Space Exploration

Famous Question

 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 528 times.
Are oxidizer to fuel mixture ratios based on mass or volume?
Awarded Jul 16 at 5:11
Why are rockets cylindrical?
Awarded Jul 15 at 22:48
Can astronauts wear eyeglasses inside their helmets during launches and landings?
Awarded Jun 28 at 18:12
Are magnetic boots in space practical?
Awarded Jun 28 at 0:23
Why does the Falcon 9 require a helium pressurization system?
Awarded Jun 26 at 22:37
How to generate TLE file?
Awarded Jun 12 at 15:17
How much does a cordless screwdriver for space cost?
Awarded Jun 6 at 17:26
What's the thickness and weight of rocket tanks?
Awarded Jun 5 at 20:49
Where is Voyager 1 now (2021)?
Awarded Apr 23 at 21:09
formula linking RAAN and LTAN
Awarded Apr 17 at 14:16
Ken Mattingly was also a bachelor, so why did everyone give Jack Swigert a hard time?
Awarded Apr 13 at 0:17
How small could an orbital rocket be?
Awarded Apr 4 at 23:27
How do we come up with the gravity assist (or slingshot) formula?
Awarded Apr 3 at 18:27
How much stronger does gravity have to be for space travel to be impossible? [duplicate]
Awarded Apr 3 at 0:16
If the Space Shuttle missed its landing approach, what could have been done?
Awarded Mar 28 at 13:56
Reasons why liquid anhydrous ammonia fuel chosen for the X-15? Has it been used in other rocket engines?
Awarded Mar 23 at 13:11
How long can the SpaceX Starlink satellites survive before they deorbit?
Awarded Mar 15 at 5:25
Why did Saturn V not head straight to the moon?
Awarded Mar 9 at 2:47
What happens if an astronaut is hit by a tiny micrometeorite?
Awarded Mar 7 at 15:57
What G-forces do different launchers cause?
Awarded Mar 7 at 12:47
How to calculate data rate of Voyager 1?
Awarded Feb 28 at 16:41
Was there a technical reason why Apollo 10 didn't land on the moon?
Awarded Feb 27 at 15:35
Success-fail probabilities for Apollo XI?
Awarded Feb 3 at 16:18
What is the difference between docking and berthing on the ISS?
Awarded Feb 1 at 21:47
Shouldn't space junk fall back to Earth on its own? How long will take for a ~1 cm piece of junk in LEO to fall back to Earth on its own for example?
Awarded Jan 15 at 14:57
What maximum speeds can be expected from meteorites?
Awarded Jan 3 at 4:20
Why is there a "coasting" phase in some space launches?
Awarded Jan 2 at 4:53
Was water ever taken outside a spacecraft?
Awarded Dec 12, 2023 at 21:08
How can Artemis 1 take so much longer for Earth-Lunar transit than the Apollo missions did?
Awarded Dec 11, 2023 at 8:36
Do you need 0 km/s velocity to crash into the sun?
Awarded Dec 8, 2023 at 17:09
Why is the earth so small when observed from the moon?
Awarded Nov 24, 2023 at 6:42
The dreaded apocalyptic asteroid approaches Earth but lands safely on the Moon at zero relative velocity
Awarded Nov 20, 2023 at 2:16
Have there ever been people trapped in a shut down spacecraft?
Awarded Nov 13, 2023 at 22:56
What is a launch vehicle resting on prior to launch?
Awarded Nov 13, 2023 at 22:56
Why do pressure-fed systems have to be pressurized with helium or nitrogen?
Awarded Nov 5, 2023 at 15:16
Before we build a Mars colony, why don't we build a 100% self-sustainable test colony in the Antarctic?
Awarded Oct 27, 2023 at 11:17
Could the Space Shuttle have landed on any long runway other than those specially reinforced at Kennedy (TTS), and Edwards (EDW)?
Awarded Oct 22, 2023 at 19:01
Rocket fuel cost to launch 1 kg to orbit
Awarded Oct 19, 2023 at 3:40
How does a solar eclipse affect satellites?
Awarded Sep 27, 2023 at 20:46
Why should the James Webb Space telescope stay in the unstable L2?
Awarded Sep 26, 2023 at 8:16
Would a duct tape spacesuit be practical?
Awarded Sep 24, 2023 at 23:10
Was Apollo 13 radio blackout on reentry longer than expected?
Awarded Sep 8, 2023 at 10:50
What did JFK mean by "and the others" in his "We choose to go to the moon" speech?
Awarded Sep 6, 2023 at 12:00
What is the ideal shape for a rocket?
Awarded Aug 31, 2023 at 8:04
Why are there so few lunar rovers?
Awarded Aug 28, 2023 at 18:57
Does launching a device into orbit change earth's orbit?
Awarded Aug 21, 2023 at 18:36
How do rockets avoid satellites?
Awarded Aug 18, 2023 at 19:33
When did the term "Space" first come into use?
Awarded Aug 6, 2023 at 14:49
How to get true anomaly from time?
Awarded Jul 27, 2023 at 18:15
How long would it take to ride to the top of a space elevator?
Awarded Jun 23, 2023 at 22:07
What size and shape is an SL-16 R/B and for how long will they orbit Earth?
Awarded Jun 5, 2023 at 15:11
Optimal speed per altitude for orbit launch
Awarded May 23, 2023 at 11:05
Reaction Wheels vs. Momentum wheels
Awarded May 15, 2023 at 5:47
How is chamber pressure determined for rocket engines?
Awarded May 2, 2023 at 20:07
Why is Elon Musk building the Starship first? [duplicate]
Awarded Apr 21, 2023 at 7:26
Is a SpaceX launch completely automated?
Awarded Apr 20, 2023 at 14:20
Why doesn't SpaceX land boosters in Africa?
Awarded Apr 13, 2023 at 17:26
Is there any reason why a spacecraft would not be able to turn around without a gravity assist?
Awarded Apr 7, 2023 at 2:42
How can astronauts float in space without being affected by the gravitational force of nearby objects?
Awarded Feb 28, 2023 at 23:48
What artificial satellite has the farthest orbit around the Earth?
Awarded Feb 9, 2023 at 19:47
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