Ancient explosion in Milky Way’s core lit up gas outside the galaxy

NASA’s Hubble Space Telescope is further probing the remnants of a massive space explosion visible from Earth 3.5 million years ago.

Embedded in the center of our galaxy, the Milky Way, a supermassive black hole known as Sagittarius A* (Sgr A*) had unleashed a massive amount of energy. New research shows that the energy was so pervasive that it illuminated gas associated with two satellite galaxies of our own: the Large Magellanic Cloud (LMC) and the Small Magellanic Cloud (SMC).



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