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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CHAPEA Crew Leaves a Mark

Photos of the CHAPEA Mission 2 crew are arranged around a boot print in the simulated Martian sand outside their habitat. via NASA https://i...