Newslink: These Ancient Galaxies Are Far Brighter Than Expected. Does That Signal a Cosmic Turning Point?

in #newslink • 5 years ago

By staring at the sky for over 200 hours, the Spitzer Space Telescope collected light that finally reached Earth after a 13-billion-year voyage through space.
This light left its origin so long ago that researchers studying this imagery are essentially peering back — way back — in time, to the ancient cosmic past.

https://www.space.com/bright-galaxies-one-billions-years-old.html

#space #galaxy #astronomy
5 years ago in #newslink by
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