Skip to main content
Tour
About Us
Meta
current community
Stack Exchange
chat
Meta Stack Exchange
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Log in
Stack Exchange
All Sites
Top 400 Users
Digests
Barry Jenakuns
Australia
I'm exploring astronomy and decided to come have a gander at this website.
top
accounts
reputation
activity
subscriptions
Top Questions
9
votes
How difficult is it to convert a hypergolic based Moon human lander to a cryogenic one?
lander
cryogenics
hypergolics
artemis-program
asked Mar 30, 2020 at 12:49
space.stackexchange.com
9
votes
How much equipment will be required to mine 600 tons of water ice on Mars?
mars
spacex-starship
mining
isru
asked Dec 16, 2021 at 12:32
space.stackexchange.com
7
votes
How big will a space billboard have to be to be visible?
low-earth-orbit
commercial
asked Aug 10, 2021 at 3:04
space.stackexchange.com
7
votes
How much did satellites and space exploration enable the development of solar panels?
solar-power
spinoff
asked Oct 23, 2020 at 2:12
space.stackexchange.com
6
votes
RS-25E cost estimate but sentence confusing (approximately: help; maybe)?
sls
ssme
asked Jan 22, 2021 at 0:22
space.stackexchange.com
6
votes
How problematic is debris for Starship storage/depots?
spacex
low-earth-orbit
debris
spacex-starship
fuel-depots
asked Apr 18, 2021 at 1:26
space.stackexchange.com
5
votes
What is the delta V required to access a polar lunar orbit?
orbital-mechanics
orbital-maneuver
lunar-orbit
asked Dec 23, 2023 at 5:33
space.stackexchange.com
5
votes
What propellant (coolant) mass is required for an actively cooled heat shield?
reentry
heat-shield
cryogenics
asked Jun 14 at 9:36
space.stackexchange.com
Top Answers
59
Why did the JWST solar array deploy early?
space.stackexchange.com
43
Saturn V's external blueprints
space.stackexchange.com
29
Where to look for next rocket launches?
space.stackexchange.com
25
Why does the Falcon 9 launch 60 instead of 100 Starlink satellites at a time?
space.stackexchange.com
19
Why did this meteor appear cyan?
astronomy.stackexchange.com
17
How will Starlink affect observational astronomy?
astronomy.stackexchange.com
15
Why does the government still fund SLS while SpaceX is cheaper and has the same capabilities if not better?
space.stackexchange.com
12
Why do the Chinese launch most of their rockets so far from the coast?
space.stackexchange.com
9
Does Dragon have any timeframes during launch where there is not a planned survivable abort mode?
space.stackexchange.com
9
Where can I find access to information provided by CNSA and Chinese scientists and reputable science authors?
space.stackexchange.com
9
Is Starship planned to fly directly to the ISS without first stage? Is it even possible?
space.stackexchange.com
8
Can an orbit rotate around a non-orthogonal axis?
space.stackexchange.com
7
Did nobody in the Astronomy community think 12,000 new satellites in LEO might be a problem?
astronomy.stackexchange.com
6
Is Starlink VisorSat really dimmer?
space.stackexchange.com
6
Are there any currently studied or hypothesized crewed Mars missions that utilize the Space Launch System?
space.stackexchange.com
5
How frequently are other planets in the Solar system hit by meteorites?
astronomy.stackexchange.com
5
How quickly might a Titan rover or drone get covered in oil and dirt? Will it need windshield-wipers?
space.stackexchange.com
5
Is Starlink 1130 (Darksat) really dimmer?
space.stackexchange.com
5
Why are telescopes positioned in Lagrange points?
astronomy.stackexchange.com
5
Where on Mars will China's rover land?
space.stackexchange.com
5
How often do active satellites have to change course to avoid other active satellites?
space.stackexchange.com
space.stackexchange.com
astronomy.stackexchange.com