Friday, July 10, 2020

Expansion of the universe is not a mystery anymore

The Earth, solar system, the entire Milky Way and the few thousand galaxies closest to us move in a vast "bubble" that is 250 million light-years in diameter, where the average density of matter is half...

Radio Survey Maps many Thousands of latest Galaxies

The LOFAR survey, based within the Netherlands, has released a bonanza of the latest sources. And with only 2% of the sky covered thus far, this is often only the start. A unique sky...

Why does every week have seven days?

The Babylonians' calendar was passed down from civilization to civilization. The Babylonians adopted a seven-day week thanks to the the seven celestial bodies they observed within the sky: the Sun, the...

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Expansion of the universe is not a mystery anymore

The Earth, solar system, the entire Milky Way and the few thousand galaxies closest to us move in a vast "bubble"...

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