Astronomy Vocab Quiz 1 Crossword
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2) In astronomy, luminosity is the total amount of energy emitted by a star, galaxy, or other astronomical object per unit time.3) is an interstellar cloud of dust, hydrogen, helium and other ionized gases4) relating to, composed of, or involving two things.5) a star of relatively small size and low luminosity, including the majority of main sequence stars.6) the production and discharge of something, especially gas or radiation.8) a theory of cosmology in which the expansion of the universe started with a primeval explosion. It is supported by our current understanding of the composition and structure of the universe.9) The amount of matter in an object |
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1) of, relating to, or belonging to a planet or planets.7) describes the formation of our solar system from a nebula cloud made from a collection of dust and gas. It is believed that the sun, planets, moons, and asteroids were formed around the same time around 4.5 billion years ago from a nebula.10) a nuclear reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons and/or protons).11) is a highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation.12) is an explosion of a massive supergiant star
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