In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
And it's much bigger than we expected.
Two holes in one!
It would take a light-speed craft 4 billion years to get from one side of the group to the other.
Glowing galactic center located near a supermassive black hole
Two million times sharper than human vision
Lurking in a distant supermassive black hole there exists a reservoir of water as big as 140 trillion oceans, the...
Surely Hanny's Voorwerp is one of the strangest Voorwerps we've ever seen
The more we learn, the more we realize we don’t know. Radio astronomers at the University of Manchester in the...
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