Black Holes

Black holes are fascinating! In your imagination you can see a huge dark dense form drawing in objects, crushing them as they get closer to the hole. Many scientists believe there is a black hole in the center of most galaxies. A black hole is a dense object in space. It has such a strong force of gravity that nothing can escape it, including light. Black holes are not visible except by their accretion disk .

As objects get near the black hole they emit radiation, gamma rays, x rays and radio waves. Objects speed up faster and faster as they get closer to the black hole. These objects hit each other and heat up. As they heat up the objects give off energy.

Most black holes used to be a very large sun or star. Our sun is small enough that it will not become a black hole.

In the middle of our own galaxy, the Milky Way, is a super massive black hole. It is a large mass that has collapsed on itself.

We've provided free astronomy reading cards about black holes to make nomenclature or 3 part cards.

References

Astronomy Newsletters

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posted at 10:54 p.m. on December 14, 2012

I do like this black holes in here. Everything will still be so perfect and it's just really what I would like to be done. That's going to be so cool.

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posted at 8:03 p.m. on December 23, 2012

I am honestly afraid of the black holes because that seems that the earth is now going to eat us and we will be all dead.

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posted at 10:03 p.m. on February 6, 2013

Black hole is the endless pit where the celestial bodies fall under the force of gravity. This theory is quite a hard for normal people to understand and it seems a mystery to them. Thanks for sharing the black hole topic in detail here.

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posted at 9:51 a.m. on February 28, 2013

What you mean by blackholes? Oh well, i can already picture out what that means.. I guess I am actually looking forward to see one blackholes in the future.

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