The lifespan for the sun is 100 million years a true

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18.The lifespan for the sun is 100 million years.a.Trueb.False
19.Emission nebulae get their red color from
20.Compared to an open cluster, a globular cluster has very few blue stars.
21.A dark cloud of gas and dust is called that because
22.Wave diffraction is where a wave willa.bend as it moves from one medium to another (like air to water).b.add to a second wave passing through the same point at the same time.c.bend around a barrier, such as sound waves around a door.d.change wavelength as it moves.
23.Wave interference is where a wave will
24.If the wavelength of a wave is doubled, what would happen?

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Term
Spring
Professor
Frey,M
Tags
White dwarf, Neutron stars b

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