Video: Stalactites, a conch graveyard and toxic chemicals: Incredible discoveries at the bottom of Belize's Great Blue Hole as researchers release the first ever 3D map of the sinkhole Richard ...
The jet, as you can see, is the wavy blue beam blasting out from the galactic core, home to the supermassive black hole (it has the mass of 5.4 billion suns). A Hubble view of a vibrant jet ...