Black holes are some of the most mysterious objects in the universe — what is left behind after a star has collapsed. NASA has compiled several dramatic images of what are believed to be black holes in space.
The Horsehead Nebula is a cloud of ionized-hydrogen in the constellation Orion. These clouds are lit from within by young, hot stars. The interstellar dust absorbs the light from part of the ionized cloud creating this beautiful contrast. Image Credit: NA
The largest ever discovery of water is a massive reservoir that’s floating around a black hole 10 billion light-years away. The water is 140 trillion times the mass of Earth’s oceans and is older than.
An artist's illustration of the black hole at the heart of a quasar in the distant universe. The biggest black hole known to exist lives in the nearby galaxy It's times bigger than the Milky Way's supermassive black hole.