Fred

Southern Hemisphere

Science and engineering never gets boring.

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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

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

Why did Roosevelt and Churchill use voice-based telecommunication, instead of simpler text-based options which were easier to encrypt?

history.stackexchange.com

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

Why does reboot and poweroff require root privileges?

unix.stackexchange.com

How does global-warming-triggered ice melting cause global sea levels to rise?

earthscience.stackexchange.com

Why weren't pickled fruits and vegetables part of (European) rations during the Age of Sail?

history.stackexchange.com

Why do the boot prints on the moon appear bright in some photographs or film?

space.stackexchange.com

Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?

earthscience.stackexchange.com

What is the purpose of these diversions in a natural gas line?

engineering.stackexchange.com

Why does the Channel Tunnel enter the ground around 10 km from the coast?

engineering.stackexchange.com

Do planets lose energy while rotating?

astronomy.stackexchange.com

What's causing this high SO2 concentrations in Kazakhstan?

earthscience.stackexchange.com

Cartoon-like characters on the side of the Tianwen-1 Mars lander?

space.stackexchange.com

Rock arches on the moon?

space.stackexchange.com

Is it possible for rivers to freeze completely and stop flowing?

earthscience.stackexchange.com

Why aren't weather balloons left in the atmosphere permanently?

earthscience.stackexchange.com

Is there still a hole in the ozone layer?

earthscience.stackexchange.com

Are metals and other elements in every continent?

earthscience.stackexchange.com

Why is CO₂ abundance in the atmosphere still small?

earthscience.stackexchange.com

Why do colder climates have more rugged coasts?

earthscience.stackexchange.com

Why are salt domes suitable for the final disposal of nuclear waste?

earthscience.stackexchange.com

Did Apollo astronauts spend any time on the lunar surface during lunar night?

space.stackexchange.com

Why was the initial theory of plate tectonics so controversial?

earthscience.stackexchange.com

Why doesn't Roscosmos launch Soyuz spacecraft with only Russians on board?

space.stackexchange.com

How are hillsides farmed?

earthscience.stackexchange.com

Would a broken arm/ leg be more painful in zero gravity?

space.stackexchange.com

Geothermal instead of fossil and nuclear?

earthscience.stackexchange.com

Why do earth cuts sometimes have steps on their walls

engineering.stackexchange.com

Could you feel the wind on Mars?

space.stackexchange.com

While desalinating ocean water, would it be bad if we didn't pump the brine back into the ocean?

earthscience.stackexchange.com