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Clearing up the Redshifts of Obscured AGNs

9 Jul 2018, 17:31 UTC
Clearing up the Redshifts of Obscured AGNs NASA/Goddard Space Flight Center Conceptual Image Lab

One of the biggest mysteries of astronomy focuses on, quite fittingly, the absolute biggest astronomical phenomenon we know of: the universe, how it came to be, and where it could possibly be going.  To learn more about the evolutionary timeline of the universe, scientists measure the redshifts of far-away objects like black holes and galaxies.  In a surreal (and really cool) way, these far-away objects and their redshifts give us snapshots in time of how the universe looked long, long, long ago.

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