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What is a Nebula?
A Nebula is a giant cloud of dust and gass in space.
- Some Nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova.
Other nebulae are regions where new stars are beginning to form. For this reason, some Nebulae are called "star nurseries."
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How do stars form in a Nebula
Nebulea are made of dust and gases—mostly hydrogen and helium.
- The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas.
As these clumps get bigger and bigger, their gravity gets stron...
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Where are Nebulae?
Nebulae exits in space between the stars—also known as interstellar space. The closest known nebula to earth is called the Helix Nebula.
- It is the remnant of a dying star—possibly one like the Sun. It is approximately 700
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How do we know what Nebulae look like?
Astronomers use very powerful telescopes to take pictures of of faraway Nebulae.
- Space telescopes such as NASA's Spitzer space telescope and Hubble space telescope have captured many images of faraway nebulae.
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- It is the remnant of a dying star—possibly one like the Sun. It is approximately 700
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