Friday, 16 April 2021

Almost Every Galaxy Has One – A Black Hole, That Is


Spectacular jets are powered by the gravitational energy of a supermassive black hole in the core of the elliptical galaxy Hercules A. via NASA https://ift.tt/2RAzfGN

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Goldstone’s DSS-15 Antenna and the Milky Way

Deep Space Station 15 (DSS-15), one of the 112-foot (34-meter) antennas at the Goldstone Deep Space Communications Complex near Barstow, Ca...