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Space weather
When the solar wind hits the Earth, it can set off space storms, space hurricanes, and even space tornadoes. Earth Science and Remote Sensing Unit, NASA Johnson Space Center, Public domain, via...
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Extreme geocaching
Geocaching is a recreational treasure hunt, with containers hidden worldwide just waiting to be found. And I do mean worldwide: they can be found at the very bottom of the world, the very top of the...
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February 30th
The calendar date February 30th has happened just once in history: in Sweden in 1712. Photo by Johannes W on Unsplash Every four years, February has an extra “leap” day. And every hundred years,...
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Return of the space dogs
Laika, the first space dog, died in orbit. But the next two – Belka and Strelka – survived. One of Strelka’s puppies was gifted to John F. Kennedy… but not before it was fully scanned for secret...
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Lava planets
Earth-like planets that orbit too close to their stars are probably completely covered in lava. Artist’s impression of a lava planetESO/L. Calçada, CC BY 4.0, via Wikimedia Commons Astronomers have...
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