Astronomy Vocabulary Test Crossword
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
 
 
Down: 1) is a highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation.2) In astronomy, luminosity is the total amount of energy emitted by a star, galaxy, or other astronomical object per unit time.4) 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.7) a unit of astronomical distance equivalent to the distance that light travels in one year8) a star of relatively small size and low luminosity, including the majority of main sequence stars.9) The amount of matter in an object12) is a series of changes in form that an organism undergoes, returning to the starting state17) of very great size or force; gigantic20) of, relating to, or determined by the sun.21) of, determined by, relating to, or resembling the moon22) is an explosion of a massive supergiant star Across: 3) A description of how bright a star really is; a characteristic property of a star that does not depend on the star’s distance from Earth5) the production and discharge of something, especially gas or radiation.6) 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).10) is a location in space-time where the gravitational field of a celestial body becomes infinite in a way that does not depend on the coordinate system.11) is any decrease in wavelength, with a corresponding increase in frequency, of an electromagnetic wave; the opposite effect is referred to as redshift13) the displacement of spectral lines toward longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects14) 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.15) relating to, composed of, or involving two things.16) a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.18) is the thermal radiation left over from the time of recombination in Big Bang cosmology19) Pertaining to the sun23) is an interstellar cloud of dust, hydrogen, helium and other ionized gases24) is the measure of intrinsic brightness of a celestial object25) of, relating to, or belonging to a planet or planets.26) the force that attracts a body toward the center of the earth, or toward any other physical body having mass
 

 

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