Q: If the gravity of a black hole is so strong that nothing can escape from it, not even light, how has the Hubble Space Telescope recorded images of gas jets ejected from black holes?

Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, ...

astronomers can't spot them directly like they do the many glittery cosmic objects in the sky. But there are a few keys that reveal a black hole's presence. For one, a black hole's intense gravity ...

Therefore, scientists instead run computer simulations to see what would happen if ... Now, astronomers obviously can't travel through a black hole yet to test this theory. In fact, the best ...

The point in the stream where its speed straddles the local speed of sound is the equivalent to a real black hole’s event horizon; phonons inside that boundary can never escape. Except ...

You see, the more mass you can shrink into ... and yet we haven't reached one that surpasses the size of our solar system. So let's look at the supermassive black hole at the center of the ...

“Can’t come in today. Stuck in a black hole. It’s playing merry hell with the space-time continuum. Also the train drivers are on strike again.” Are we now, according to the stories our ...

Black holes are objects with an intense gravitational ... Even Einstein thought that these cosmic objects were too absurd to be real. Though we can’t see them, we infer their presence from ...