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Southern Hemisphere
Science and engineering never gets boring.
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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
20
votes
Apparent Ring of Craters on the Moon
the-moon
crater
asked May 26, 2019 at 18:04
astronomy.stackexchange.com
18
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
10
votes
Impact of space junk on Earth based space elevators
debris
space-elevator
asked Aug 18, 2015 at 1:25
space.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
9
votes
Did an impact crater influence the formation of uranium deposits in South Australia?
geology
geochemistry
earth-history
uranium
asked Mar 25, 2015 at 14:10
earthscience.stackexchange.com
9
votes
Did Britain send convicts to Canada during the colonial era?
british-empire
united-kingdom
colonization
crime
canada
asked Jul 6, 2015 at 5:02
history.stackexchange.com
8
votes
Proposed Christmas Island launch site, 1952 von Braun Luna Study
launch-site
lunar-landing
wernher-von-braun
asked Apr 21 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
40
Why weren't pickled fruits and vegetables part of (European) rations during the Age of Sail?
history.stackexchange.com
37
Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?
earthscience.stackexchange.com
36
How would a person with food allergies cope in the Middle Ages?
worldbuilding.stackexchange.com
34
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
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
Are metals and other elements in every continent?
earthscience.stackexchange.com
25
Is it possible for rivers to freeze completely and stop flowing?
earthscience.stackexchange.com
25
Is there still a hole in the ozone layer?
earthscience.stackexchange.com
21
How are hillsides farmed?
earthscience.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
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
Do dams reduce the flow of river downstream?
earthscience.stackexchange.com
19
Geothermal instead of fossil and nuclear?
earthscience.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
19
Other than tectonic activity, what can reshape a world's surface?
earthscience.stackexchange.com
19
Would a broken arm/ leg be more painful in zero gravity?
space.stackexchange.com
18
Can I use AutoCAD to learn mechanical engineering by DOING (like programming)?
engineering.stackexchange.com
18
What made bronze the first widely used (non-ornamental) metal in human civilization?
engineering.stackexchange.com
17
How and why do these tree-like river structures form?
earthscience.stackexchange.com
17
Did the third US atomic bomb disappear without a trace?
history.stackexchange.com
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