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Definition
| the apparent change in position of an object as it is viewed from different places |
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| the rapid expansion that formed the universe |
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| the early stage of a star's life where fusion begins |
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| an instrument that breaks up light from a star into its characteristic colors |
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Definition
| the type of electromagnetic wave with the longest wavelength and lowest frequency |
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Definition
| the process in which hydrogen atoms are fused together to form helium atoms |
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Definition
| an extremely dense, small star that remains after a supernova |
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Definition
| the unit that measures distance in space |
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Definition
| when stars begin to run out of fuel what do they become? |
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Definition
| what was the solar system originally formed from? |
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| the force that tends to pull together matter in a nebula |
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Definition
| which type of telescopes use mirrors? |
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Definition
| which type of telescopes use objective lens? |
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Definition
| what forms from the remains of stars that were more than 40 times the mass of the sun? |
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Term
| high frequency and shortest wavelength |
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Definition
| the electromagnetic spectrum shows the different electromagnetic waves in order of... _________ frequency and __________ wavelength. |
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Definition
| all stars begin their lives as... |
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| the farther away a galaxy is from us, the _________ it is moving away from us. |
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Definition
| smaller stars last a _______ time than larger stars. |
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Term
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Definition
true or false:
most of the universe is empty space |
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Term
| detection of visible light |
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Definition
| all of modern astronomy is based on what? |
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Definition
true or false:
the closer a star is to us, the brighter it is. |
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Definition
| what is the method used to determine a nearby star's distance from Earth. |
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Definition
True or False:
a spiral galaxy can vary in shape from nearly spherical shape to a flat disk |
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