February 05, 2023
During the 1960s and ’70s, Hawaii’s volcanic landscape was used to prepare Apollo astronauts for rugged Moon terrain. Today, NASA uses the lava fields of Kilauea volcano to help simulate the surface of Mars.
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Apr 21
Which huge nation has only one time zone? -
Apr 22
Why is a zero score in tennis called “love”? -
Apr 23
What country beat the U.S. to the Moon? -
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Apr 26
When did Europeans really arrive in North America? -
Apr 27
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Apr 28
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