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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A Brief Outburst

The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period on Feb. 24, 2015. While some of the s...