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http://sci.esa.int/jump.cfm?oid=61487: How black holes shape galaxies
ESA Science & Technology

Direct link How black holes shape galaxies

24 Jul 2019, 14:47 UTC
http://chandra.harvard.edu/photo/2019/20th/: NASA\'s Chandra X-ray Observatory Celebrates Its 20th Anniversary
NASA's Chandra X-ray Observatory

Direct link NASA\'s Chandra X-ray Observatory Celebrates Its 20th Anniversary

23 Jul 2019, 13:20 UTC

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