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| Groups of stars that forms a patterin in teh sky that looks like a familiar object, animal, or charater. |
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| Measure of the amount of light a star actually gives off. |
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| Measure of the amount of light from a star that is received on Earth. |
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| Is the distance that light travels in one year. |
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| Lowest layer of the Sun's atmosphere gives off light and has temperatures of about 6000k. |
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| Layer of the Sun'e atmosphere above the photosphere. |
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| Outermost, largest layer of the Sun's atmosphere; extends millions of kilo. into space has temperturesup to 2 million K. |
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| Areas on the Sun's surface that are cooler and less bright than surrounding areas are caused by the sun's magnetic field, and occut in cycles. |
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| Large cloud of gas and dust that contracts under gravitaional force and breakes apart into smaller pieces each of what might collapse to form a star. |
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| Late stage in the life of comparatively low-mass main sequence star in which hydrogen in the corei s deleted, the core contracts and temperatures inside the star increase causing its outer layers to extend and cool. |
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| Late stage in the life cycle of a comparatively low-mass main sequence; formed when its core depletes its heliem and its outer layers escape into soace leacing behind a hot dense core. |
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| Late stage in the life cycle of a massive star in which the core heats up, heavy elements form by fusion, and the star expands; cand eventually explode to form a supernova. |
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| Collapsed core of a supernova that can shtink to about 20km in diameter and contains only neutrons in the dense core. |
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| Final stage in the ecolution of a cery massive star, where the core's mass collapses to a point that it's gravity is so strong that not even light can escape. |
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| Large group of star, dust, and gas held toghter by gravity; can elliptical, spiral, or irregular. |
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States that 13.7 billion year's ago the universe began with a huge fiery explosion.
And it is a tv show. |
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| Only where is the temperature hot enough for atoms to fuse |
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| How many km light travel in a year |
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| What it is largest layer or the sun |
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| How does the sun produce energy |
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| The sun produces energy by fusing hydrogen into helium in it's core |
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| Big bang theroy says that the gaxlaxy is always |
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| T/F The Sun is a low mass star |
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The north star is also know as
a)pink berry
b)shiny white star
c)Polaris |
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| T/F hydogen fusion only happens in a low mass star |
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