Articles sur Radio astronomy

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In the beginning, the Universe expanded very, very fast. Flickr/Jamie

Curious Kids: what started the Big Bang?

What caused the Big Bang is still a mystery. And that's just one of the many unanswered questions, in spite of everything we do know about the birth of the Universe.
The truth is we don’t really know if space goes on forever – but maybe, one day, we will find out. Sweetie187/flickr

Curious Kids: Does space go on forever?

People used to think that when they looked up at the night sky, they were seeing all of space. Then American astronomer Edwin Hubble found out something so amazing, NASA named a telescope after him.

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