1.0+Glossary

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The layer of gases surrounding the surface of a planet, moon, or star (Annalise) || Black holes are the cold remnants of former stars, so dense that no matter—not even light—is able to escape their powerful gravitational pull. (Blake) ||
 * media type="custom" key="12810080" || __Atmosphere__-
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 * media type="custom" key="12810170" || __**comet**__ -A **comet** is a celestial body that moves around the sun, and as it goes near the sun it forms a vapor trail of dust and gas that streams after it (Mrs Y) ||
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 * media type="custom" key="12810096" || **__Helium:__** a gaseous element that is used in airships (Grace)

__**Hydrogen:**__ light odourless gas found in water (Grace) || Quasars were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light, that were point-like, similar to stars , rather than extended sources similar to galaxies. || A flash of light produced when gamma rays strike a certain material. The high energy of gamma rays makes them hard to capture but they can be detected using scintillation.[Scarlett] ||
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 * media type="custom" key="12810110" || Methane: Meathane is a clear, odourless gas. (Jacob) ||
 * media type="custom" key="12810114" || A nebula is a cloud of gas and dust in space. (Quinn) ||
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 * media type="custom" key="12810126" || __Quasar__
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 * media type="custom" key="12810132" || __Scintillation__
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