Sign up for the Starts With a Bang newsletter Travel the universe with Dr. Ethan Siegel as he answers the biggest questions of all. Within practically every modern galaxy, a central supermassive black hole can be found. Our own Milky Way houses Sagittarius A*, which weighs in at just over 4 million solar masses. Although that might sound like an …
Read More »At 36 billion solar masses, is the heaviest black hole too massive?
