Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Space Exploration
      help chat
    • Space Exploration Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Space Exploration Beta
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
Profile Activity
Meta user
Network profile
uhoh

Reputation

119,298
top 0.16% overall
  • 119.3k
  • 70k
  • 20.7k
  • 2018
  • 2019
  • 2020
  • 2021

Next tag badge

lagrangian-points
92/100 score
23/20 answers

Badges

38
320
984

Newest

 Announcer

Next badge

96/100
Archaeologist

Impact

~2.8m
people reached
1,942 posts edited
368 helpful flags
19,991 votes cast
Summary Answers Questions Tags Badges Bookmarks 3 Bounties Reputation All actions

533 Bookmarks

Votes Activity Newest Views Added
122
votes
4
answers
32k
views

Do the planets really orbit the Sun?

gravity solar-system
Apr 10 at 14:14 called2voyage♦ 22.9k
108
votes
13
answers
54k
views

What are the choices today for orbital mechanics simulation software?

orbital-mechanics software astrodynamics
Jun 3 at 1:11 Community♦ 1
90
votes
4
answers
16k
views

How did Apollo 16 capture this full photograph of the Moon's far side?

the-moon apollo-program photography
Jan 12 at 23:31 Perry 3
86
votes
3
answers
121k
views

What happens to the Falcon 9 second stage after payload separation?

launch spacex falcon-9
Aug 23 at 15:57 PearsonArtPhoto♦ 110k
75
votes
3
answers
43k
views

Was the NOAA-N Prime satellite really dropped on the floor?

artificial-satellite failure myth-busting integration noaa
Nov 6 '19 at 23:42 Community♦ 1
70
votes
10
answers
50k
views

Why is SpaceX considering Methane as fuel for their next engine, the Raptor?

launch spacex engine-design raptor
Mar 25 '19 at 5:29 Community♦ 1
56
votes
2
answers
25k
views

How does the Falcon 9 first stage avoid burning up on re-entry?

spacex falcon-9 landing reentry falcon9-r
May 13 '18 at 18:33 Russ Bianchi 1
55
votes
7
answers
41k
views

Why is the breathing atmosphere of the ISS a standard atmosphere (at 1 atm containing nitrogen)?

iss atmosphere life-support
Oct 14 '18 at 0:46 Beaux Carroll 1
50
votes
5
answers
5k
views

How possible are 'space jumps'?

spacesuits reentry medical
Jan 18 '17 at 22:45 Community♦ 1
49
votes
3
answers
6k
views

Why did Voyager 2 receive a gravitational slowdown (as opposed to a slingshot) at Neptune?

voyager gravity-assist neptune
May 15 '18 at 21:47 Community♦ 1
49
votes
2
answers
14k
views

Why is gold used in space technology to protection from heat radiation?

protection heat-shield heat
Jan 3 '19 at 1:08 Community♦ 1
49
votes
10
answers
11k
views

Game for teaching basics of orbital mechanics

orbital-mechanics simulation education
Dec 15 '18 at 19:04 Community♦ 1
45
votes
11
answers
38k
views

Could it be possible to launch a rocket from a balloon?

launch spacecraft-development balloons
Jan 25 '17 at 8:40 Nathan Tuggy 4,422
45
votes
7
answers
50k
views

Can I see the ISS from the surface with the naked eye?

iss observation
Sep 14 at 18:00 Philipp 8,788
42
votes
5
answers
14k
views

Why haven't more spacecraft/satellites been hit by debris?

spacecraft debris
Jan 20 '19 at 16:35 Emanuele Lovera 53
40
votes
4
answers
4k
views

When the ISS accelerates, do the astronauts feel it?

iss propulsion orbital-maneuver astronauts reaction-wheel
Nov 2 '19 at 15:56 Digger 2,148
39
votes
3
answers
23k
views

Why are the GPS constellation satellites in such a high orbit?

artificial-satellite orbit gps gnss
Jan 5 '18 at 16:38 Camilo Rada 181
39
votes
1
answer
79k
views

How does Voyager 1 send signals to Earth?

voyager communication
May 10 '18 at 3:48 Community♦ 1
37
votes
5
answers
12k
views

Is photography from a satellite good enough to make out a person on the ground?

artificial-satellite low-earth-orbit optical remote-sensing photography
Jan 8 '18 at 3:05 Robert Walker 771
37
votes
1
answer
30k
views

Why does the ascent stage of Apollo 11's lunar module look like it's made of paper?

crewed-spaceflight apollo-program spacecraft myth-busting apollo-11
Jun 25 '18 at 16:00 Russell Borogove 142k
36
votes
6
answers
7k
views

Why did it take so long for methane to be used as a rocket propellant?

rockets spacex engine-design fuel raptor
Jan 14 '18 at 1:50 Baz 1
35
votes
3
answers
19k
views

About how long will Curiosity last on its nuclear power?

mars rovers energy curiosity
Jul 11 at 21:54 Tim S Gahara 1
35
votes
2
answers
4k
views

Why should the James Webb Space telescope stay in the unstable L2?

orbital-mechanics lagrangian-points telescope space-telescope james-webb-telescope
Jan 25 '16 at 21:31 Nathan Tuggy 4,422
34
votes
3
answers
14k
views

Effect of atmospheric drag on rocket launches and benefits of high altitude launch sites

launch rockets atmospheric-drag atmosphere high-altitude-launch
Feb 25 '19 at 2:00 Peter Bilski 1
34
votes
3
answers
23k
views

When will we have the technology to directly observe an exoplanet with significant clarity?

exoplanet telescope imaging
Jun 21 '18 at 14:35 Herman 363
34
votes
4
answers
4k
views

Is this really Rosetta's orbit around 67P?

orbit propulsion orbital-maneuver rosetta mission-design
Jul 27 '15 at 12:47 Hobbes 118k
33
votes
6
answers
8k
views

Why is there a “coasting” phase in some space launches?

launch isro booster stage-separation pslv
Dec 19 '19 at 0:31 uhoh 119k
33
votes
3
answers
6k
views

Why do the exhaust flames from cryogenic stage engines appear to be separated from the nozzle?

rockets fuel engines nozzle burn
Apr 17 '17 at 7:27 Marcia Barnett 1
33
votes
3
answers
44k
views

How to programmatically calculate orbital elements using position/velocity vectors?

orbital-mechanics mathematics orbital-elements
Aug 26 at 5:57 phil Mad 1
33
votes
3
answers
5k
views

What uses would the Aldrin-Cycler have?

mars orbital-mechanics interplanetary low-energy-transfer
Oct 25 '14 at 17:36 Community♦ 1
1
2 3 4 5
…
18 Next
Space Exploration
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.3.5.38726