One of the common misconceptions about black holes is that they not only swallow matter, but also the history of that matter. The truth about the history of black holes in the universe has finally been revealed.
Sound waves cannot travel through a vacuum, so there can be no sound in space. However, science can help us hear the universe in many ways.
No one knows what would happen if you fell into a supermassive black hole like the one at the center of the Milky Way. To answer this question, NASA researchers created a simulation using the Discover supercomputer at the NASA Climate Simulation Center that describes what would happen if you fell into a supermassive black hole like the one at the center of the Milky Way.
The universe is truly amazing, partly because of its enormous size, and also because of the mysteries that are beyond human imagination.
Astronomers have discovered a truly ancient monster: a stream of radio waves estimated to be 200,000 light-years wide, thought to have been around since the universe was less than 10 percent of its current age.