NASA's Chandra Finds Massive Black Holes Common in Early Universe: A composite image combines the deepest X-ray image ever taken with optical and infrared data from Hubble.
| Uploaded by | Smithsonian Institution |
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| Date taken | 2011-10-13 11:35:56 |
| Date uploaded | 2011-10-24 |
| Tags | smithsonianinstitution, smithsonianastrophysicalobservatory, a2fp |
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