Magazine article Technology and Children

The Least Empty Holes in the Universe. (the Space Place)

Magazine article Technology and Children

The Least Empty Holes in the Universe. (the Space Place)

Article excerpt

Has your mom ever said your bedroom is like a black hole? Does she say that it's so messy, stuff goes in there, never to return? After reading this, you'll understand why your room is very different from those faraway objects.

Black holes are denser than anything else in the universe. They are so dense, and their gravity is so great, even light can't escape them. That means anything that comes close to a black hole gets pulled into it.

Scientists believe there are at least two types of black holes. Supermassive black holes have as much matter (mass) as one million to 100 million suns! Supermassive black holes are thought to lurk in the very centers of galaxies. Stellar-mass black holes have the mass of only one big star. They're formed from stars 4 to 15 times as big as our Sun. When this type of star runs out of fuel, its life ends in a supernova explosion. What's left can collapse to become a black hole. Most stars are not large enough to become black holes. …

Search by... Author
Show... All Results Primary Sources Peer-reviewed

Oops!

An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.