View Full Version : Do Galaxies Recycle Their Material?

2011-Nov-17, 10:50 PM
It’s a great question that’s now been validated by the Hubble Space Telescope. Recent observations have shown how galaxies are able to recycle huge amounts of hydrogen gas and heavy elements within themselves. In a process which begins at initial star formation and lasts for billions of years, galaxies renew their own energy sources. (...)Read [...]

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