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Top Questions
27
votes
Why did Peter the Great name Saint Petersburg, Russia with a foreign styled name?
russia
18th-century
names
peter-i-russia
saint-petersburg
asked Mar 16, 2020 at 18:46
history.stackexchange.com
23
votes
What mechanisms exist for terminating the US constitution?
united-states
constitution
asked Dec 5, 2022 at 9:21
politics.stackexchange.com
20
votes
Apparent Ring of Craters on the Moon
the-moon
crater
asked May 26, 2019 at 18:04
astronomy.stackexchange.com
19
votes
Procedure to deal with the death of Apollo astronaut during a lunar mission
apollo-program
crewed-spaceflight
lunar-landing
death
asked Jul 18, 2020 at 10:01
space.stackexchange.com
12
votes
What causes the different colours of the salt pits in the Saloum Delta in Senegal
rivers
salinity
asked Mar 21, 2015 at 5:16
earthscience.stackexchange.com
11
votes
Why is there a bend in the Lomonosov Ridge?
geophysics
plate-tectonics
arctic
ocean-ridge
asked Jan 29, 2015 at 10:30
earthscience.stackexchange.com
11
votes
The MAC-360 programming language developed in the mid 1960s
programming
ibm360
asked Dec 23, 2022 at 9:03
retrocomputing.stackexchange.com
10
votes
Source of water for the Great Artesian Basin in Australia
hydrology
groundwater
asked Mar 1, 2015 at 9:53
earthscience.stackexchange.com
10
votes
Impact of space junk on Earth based space elevators
debris
space-elevator
asked Aug 18, 2015 at 1:25
space.stackexchange.com
9
votes
Proposed Christmas Island launch site, 1952 von Braun Luna Study
launch-site
lunar-landing
wernher-von-braun
asked Apr 21, 2022 at 5:52
space.stackexchange.com
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Top Answers
156
If the astronauts on Apollo 11 had landed safely on the moon but could not take off, would there have been a rescue mission?
space.stackexchange.com
72
Why did Roosevelt and Churchill use voice-based telecommunication, instead of simpler text-based options which were easier to encrypt?
history.stackexchange.com
69
How (the heck) did Lunokhod 2 drive, navigate and survive a ~40 kilometer drive over four months on the Moon using 1970's technology?
space.stackexchange.com
47
Why does reboot and poweroff require root privileges?
unix.stackexchange.com
44
How does global-warming-triggered ice melting cause global sea levels to rise?
earthscience.stackexchange.com
42
Why weren't pickled fruits and vegetables part of (European) rations during the Age of Sail?
history.stackexchange.com
39
Why do the boot prints on the moon appear bright in some photographs or film?
space.stackexchange.com
38
Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?
earthscience.stackexchange.com
36
What is the purpose of these diversions in a natural gas line?
engineering.stackexchange.com
34
Why does the Channel Tunnel enter the ground around 10 km from the coast?
engineering.stackexchange.com
32
Do planets lose energy while rotating?
astronomy.stackexchange.com
29
What's causing this high SO2 concentrations in Kazakhstan?
earthscience.stackexchange.com
29
Cartoon-like characters on the side of the Tianwen-1 Mars lander?
space.stackexchange.com
26
Rock arches on the moon?
space.stackexchange.com
25
Is it possible for rivers to freeze completely and stop flowing?
earthscience.stackexchange.com
25
Why aren't weather balloons left in the atmosphere permanently?
earthscience.stackexchange.com
25
Is there still a hole in the ozone layer?
earthscience.stackexchange.com
25
Are metals and other elements in every continent?
earthscience.stackexchange.com
23
Why is CO₂ abundance in the atmosphere still small?
earthscience.stackexchange.com
23
Why do colder climates have more rugged coasts?
earthscience.stackexchange.com
22
Why are salt domes suitable for the final disposal of nuclear waste?
earthscience.stackexchange.com
22
Did Apollo astronauts spend any time on the lunar surface during lunar night?
space.stackexchange.com
21
Why was the initial theory of plate tectonics so controversial?
earthscience.stackexchange.com
21
Why doesn't Roscosmos launch Soyuz spacecraft with only Russians on board?
space.stackexchange.com
21
How are hillsides farmed?
earthscience.stackexchange.com
20
Would a broken arm/ leg be more painful in zero gravity?
space.stackexchange.com
20
Geothermal instead of fossil and nuclear?
earthscience.stackexchange.com
20
Why do earth cuts sometimes have steps on their walls
engineering.stackexchange.com
19
Could you feel the wind on Mars?
space.stackexchange.com
19
While desalinating ocean water, would it be bad if we didn't pump the brine back into the ocean?
earthscience.stackexchange.com
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