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The top documents tagged [excited gas]
World of Matter Standard 9. What is matter Matter is something that occupies space and has mass. Matter Non – Matter
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Key points: Active Galactic Nuclei: powerful energy sources in “nuclei” (very center) of some galaxies Main types: Seyferts, radio galaxies and quasars
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Key points:
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Astronomy Topic 4 Revision Booster. Milky way facts 200 billion stars 250 million years to orbit One of a group of about 30 galaxies (The local group)
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Atomic Spectra A spectroscope is an instrument that disperses the light emitted by an excited gas into the different frequencies the light contains. Light
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Identifying a stellar nursery … nebulae and dust
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Niels Bohr. Learning Goals Students will be able to: 1) understand the Quantum Mechanical Model of the Atom 2) understand how to describe the atom in
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Astronomy Topic 4
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