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| Patterns of stars in the sky |
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| measure of the amount of light a star gives off |
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| a measure of the amount of light received on earth |
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| the distance that ight travels in one year |
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| the lowest layer of the suns atmosphere layer that light is given off |
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| the layer above the photospere |
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| layer above the transition zone |
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| dark spots on the sun because they are cooler |
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| what a star is called in its late stages of development |
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| a stage in a stars development |
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| When a core of a high mass star starts to contract and get hotter layers start to expand making a super giant |
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| When a super giants outer layers explode can be millions of times brighter than original stars |
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| What is caused if the collapsed core of a super nova is 1.4 or 3 times as massive as the sun it shrinks down to 20 kilometers in diameter only neutrons can exist in this dense core creating a neutron star |
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| If the dense core is about three times as massive as the sun nothing can stop the cores collapse under all these mass collapses the gravity near this mass is so strong nothing can escape |
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| A large group of stars dust and gas held together by gravity |
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| Galaxies that have spiral arms that wind outward from the center like the Milky Way |
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| Galaxies that are shaped like large three dimensional ellipses smaller of galaxies |
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| Galaxies that are shaped differently smallest of the three types of galaxies |
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| True or false a light year is a measure of time |
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Definition
| False a light year is a measure of distance |
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| What is a prominence a. Dark spot on the sun b. A group of stars c. A large arching Collin of gas |
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| C. Large column of arching gas |
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| What's another name for the northern lights |
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| What is another name for the north star |
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| What is a prominence a. Dark spot on the sun b. A group of stars c. A large arching Collin of gas |
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Definition
| C. Large column of arching gas |
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