Space Exploration Stack Exchange by Kiwix

Q&A for spacecraft operators, scientists, engineers, and enthusiasts

Most popular questions

170 Can I borrow a lunar rover? 2013-09-23T10:42:48.647

127 Couldn't I escape Earth's gravity traveling only 1 mph (0.45 m/s)? 2014-06-03T17:57:29.757

122 How did the Apollo computers evaluate transcendental functions like sine, arctangent, log? 2018-09-27T10:18:19.263

114 Nudism in space: Why wear clothes anyway? 2017-12-31T13:53:59.527

109 Do the planets really orbit the Sun? 2015-06-05T06:50:04.833

100 How many extraterrestrial bodies have hosted a "lander" which returned images? 2015-07-16T14:39:57.887

98 If the astronauts on Apollo 11 had landed safely on the moon but could not take off, would there have been a rescue mission? 2017-05-24T11:32:32.803

96 What are the choices today for orbital mechanics simulation software? 2013-07-23T01:03:32.103

92 What is the purpose of having a countdown during a rocket launch? 2013-08-16T15:12:39.810

92 How did NASA achieve their live TV broadcast in 1969? 2013-12-02T14:19:36.400

82 Why destroy Juno at the end of the mission? 2016-07-05T04:20:52.107

81 Is this "Attach Orbiter Here / Note: Black Side Down" sign on the Shuttle Carrier Aircraft real? 2017-09-13T23:59:17.450

79 Could an Apollo astronaut stand up if they fell on the moon? 2018-10-23T15:57:21.693

77 How did Apollo 16 capture this full photograph of the Moon's far side? 2016-07-08T14:11:24.637

74 Is the SpaceX Falcon Heavy payload (a Tesla car) space junk? 2018-02-07T12:33:48.697

73 Could "peak Apollo levels" of support have gotten NASA astronauts to Mars in the 1980's? 2018-06-20T04:06:31.790

70 Was the NOAA-N Prime satellite really dropped on the floor? 2013-09-05T13:45:46.993

70 How do astronauts on EVA deal with nose itching? 2015-12-10T09:19:01.107

68 Difference between BlueOrigin and SpaceX rocket landings? 2015-12-22T02:10:57.320

68 Why is the American space program launch site based in Florida and not Texas? 2016-12-08T18:26:32.307

68 Why does the ISS have to be destroyed? 2018-01-10T14:04:42.920

67 Why is SpaceX considering Methane as fuel for their next engine, the Raptor? 2013-12-18T14:24:13.393

65 Why is using a space elevator cheaper than rocket power? 2018-09-05T16:36:03.723

64 How far could we send someone before they get a lethal dose of radiation? 2013-07-16T20:51:47.093

63 What will be the effect if we stand on Jupiter? 2014-07-23T04:20:37.560

63 What can the KSP game actually teach about spaceflight and orbital mechanics, and what are its limitations? 2017-08-30T03:57:50.943

62 When will New Horizons overtake Voyager 1 in distance from the Sun? 2014-01-28T11:18:00.123

60 Why do ISS crew members often cross their arms? 2017-06-02T09:33:30.380

58 Why would SpaceX not use parachutes for the final descent of the first stage? 2015-01-09T11:12:08.700

58 Why does the SpaceX reusable launcher use vertical rather than horizontal landing? 2015-01-27T08:17:02.987

58 Can I drive Elon Musk's Tesla after it's been in space for 100 Years? 2018-01-09T11:23:13.843

57 Can gunpowder get you to the moon? 2013-07-29T15:08:19.763

57 Is there no physical security in space, other than being in space? 2013-10-11T21:40:56.573

57 How did people know how to build the first space ship? 2017-08-09T18:33:47.233

57 Could we breathe an atmosphere that is not nitrogen based? 2018-07-06T14:53:23.417

56 Washing clothes in space: are there any technical challenges? 2013-07-23T09:26:43.720

56 Is a Moon-base inherently more dangerous than a Space Station? 2014-05-29T22:59:24.590

56 Which Apollo "mystery" was said to be finally solved by a better rendering engine? 2017-02-13T07:18:01.313

55 Why did NASA send two astronauts to the moon instead of one? 2015-09-24T13:06:25.480

55 Why do astronauts wear heels? 2018-03-28T22:47:59.743

55 How did NASA prevent third parties from spoofing Apollo communications? 2018-06-13T04:53:38.730

55 This image of the Space Shuttle is truly beautiful, but is it real? 2018-09-17T07:53:08.867

54 What resources could be gained from asteroid mining that would be worth the effort? 2013-07-22T14:25:58.393

54 What was the fate of the main core of the first Falcon Heavy launch? 2018-02-06T21:35:14.500

53 Can a miniature Saturn V get to the moon and back? 2016-01-27T05:30:48.320

52 How does the Falcon 9 first stage avoid burning up on re-entry? 2016-02-05T18:22:20.643

52 Why wasn't an RTG used on the Juno spacecraft? 2016-07-06T16:56:22.370

52 Why would GPS availability be reduced by high demand (or solar eclipse)? 2017-08-06T20:08:43.027

52 In Starman's roadster, where's the Towel? 2018-02-07T22:19:51.033

52 "Pillars of Baikonur" What is the purpose of the hundreds of short, white posts near the Baikonur Cosmodrome launch pad? 2018-06-24T07:13:35.927


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