الأربعاء، 13 يناير 2016

NEWS TECHNOLOGIE

The Galactic Core of the Milky Way - composite image taken by Spitzer, Hubble, and Chandra telescopes
For the past ten years, astronomers have puzzled over cosmic ripples in the structure of the Milky Way that didn't have a known cause. Thanks to a trio of pulsing stars, we now suspect a dwarf galaxy made of dark matter swung through our galactic neighborhood 500 million years ago -- with results we can still see today.

from ExtremeTech http://ift.tt/1niN88b

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