New observations have shed light on the ways galaxies continuously recycle immense volumes of hydrogen gas and heavy elements, allowing them to build successive generations of stars.
Source: http://www.cosmosmagazine.com/news/5004/galaxies-are-ultimate-recyclers
Gina Philips Gisele Bündchen Giuliana DePandi Giulianna Ramirez Grace Park Gretha Cavazzoni Gwen Stefani Halle Berry Hayden Panettiere Haylie Duff
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