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Galaxies are the ultimate recyclers, NASA’s Hubble confirms

New observations by NASA’s Hubble Space Telescope are expanding astronomers’ understanding of the ways in which galaxies continuously recycle immense volumes of hydrogen gas and heavy elements. This process allows galaxies to build successive generations of stars stretching over billions of years.

Quoted from Galaxies are the ultimate recyclers, NASA’s Hubble confirms on ScienceDaily: Top News

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