This video says about itself:
15 August 2016
As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought is: is that thing going to destroy our galaxy? In the short term, no, in the long term… maybe?
Milky Way’s black hole may hurl galactic spitballs our way. Giant gas blobs are what’s left of gravity-shredded stars. By Christopher Crockett, 9:00am, January 10, 2017: here.
Earliest galaxies got the green light. Emission of key color wavelength points to superhot first generation stars. By Christopher Crockett, 5:26pm, January 9, 2017: here.