Black holes are some of the strangest things in space. A black hole in anything that gets by. Nothing escapes from a black hole. Not even light. Everything together. The reason is gravity. Gravity is a force that pulls one thing to another. Gravity is the force that you down on Earth. When you jump up, you back by gravity. The Moon to orbit Earth by gravity. The more matter in a star, planet, moon, or other object, the stronger is its gravity. Gravity makes an object with more matter an object with less matter toward it. The Sun's gravity pulls on itself our Earth. The Sun by Earth. The matter that makes up an iron ball much tighter than the matter that makes up a bag of feathers. A lot of matter into a black hole. Astronomers and physicists think black holes from dying stars. Under the force of gravitation the star denser and denser to turn into a black hole.

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Black holes are some of the strangest things in space. A black hole [is sucked|sucks] in anything that gets by. Nothing escapes from a black hole. Not even light. Everything [is pulled|pulls] together. The reason is gravity. Gravity is a force that pulls one thing to another. Gravity is the force that [is held|holds] you down on Earth. When you jump up, you [are drawn|draw] back by gravity.

The Moon [is made|makes] to orbit Earth by gravity. The more matter [packs|is packed] in a star, planet, moon, or other object, the stronger is its gravity. Gravity makes an object with more matter [pull|is pulled] an object with less matter toward it. The Sun's gravity pulls on itself our Earth. The Sun [orbits|is orbited] by Earth. The matter that makes up an iron ball [is compressed|compresses] much tighter than the matter that makes up a bag of feathers. A lot of matter [goes|is gone] into a black hole. Astronomers and physicists think black holes [born|are born] from dying stars. Under the force of gravitation the star [is made|makes] denser and denser to turn into a black hole.

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