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Last updated 5:11 PM on 8/10/21
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21 Terms

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Big Bang
________- The event that may have triggered the expansion of the universe 14 billion years ago.
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Blue green colour
What is from the methane gas (CH4) in its atmosphere? Answer with a single words or term.
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Milky Way
________- The galaxy that includes the solar system; appears as a hazy white band in the night sky.
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Constellation
________- A group of stars that seem to form a distinctive pattern in the sky.
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Nuclear Fusion
________- The process of energy production in which hydrogen nuclei combine to form helium nuclei.
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Rotation
________- The turning of an object around an imaginary axis running through it.
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Redshift
________- The effect in which objects moving away from an observer have their wavelengths lengthened, toward the red end of the.
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Ellipse
________- A curve that is generally referred to as an oval or the shape of an egg.
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Supercluster
________- A gigantic cluster of 4 to 25 clusters of galaxies, which is hundreds of millions of light- years in size.
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Blueshift
________- The effect in which objects moving toward an observer have their wavelengths shortened, toward the blue end of the.
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Supernova
________- A massive explosion in which the entire outer portion of a star is blown off.
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● Evidence
________ supporting the solar nebula theory consists of heavily cratered objects, most planets rotating in about the.
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Latitude
________- The location above or below the equator.
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Rocky ball
________ covered in craters.
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Sunspot
________- An area of strong magnetic fields on the photosphere.
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● Sunspots
________ can produce solar flares, which send gigantic beams of charged particles into space.
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Apparent Magnitude
________- The brightness of a star as seen from Earth.
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Hertzsprung Russell
________- Diagram a graph that compares the properties of stars.
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Satellite
________- A human- made object or vehicle that orbits Earth, the Moon, or other celestial bodies; also, a celestial body that orbits.
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Water
________ covers ¾ of Earths surface, only place with ________ in 3 phases (Liquid, solid, gas)
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Main Sequence
________- A narrow band of stars on the H- R diagram that runs diagonally from the upper left (bright, hot stars) to the lower.

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