The strangest black holes in the universe.
Tags » Black Hole
A black hole is a concentration of matter so dense that not even light can escape its gravitational pull.Black holes come in many sizes. Astronomers believe that a “supermassive” black hole, with a mass of about 4 million Suns, lies at the center of the Milky Way galaxy. 80 more words
Strictly speaking, everything in our galaxy does not orbit the supermassive black hole at the center. Everything in the galaxy orbits the center of mass of the galaxy. 429 more words
So these are the three largest components of GDP, all indexed to 1960:
Clearly one of these is not like the others, but the well-known fact that investment, not consumption or government spending, is mostly what fluctuates with the business cycle is very visible. 852 more words