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Definition
| Groups of stars that form patterns |
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Definition
| Actual amount of light that a star gives off |
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Definition
| Amount of starlight recieved on Earth |
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Definition
| distance about 9.5 trillion km that light travels in one year. |
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Definition
| a large, spherical mass of gas that gives off light and other types of radiation. |
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Definition
| Largest layer of the sun's atmosphere |
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Definition
| Areas of the sun's surface that appear dark because they are cooler than surrounding areas |
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Definition
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Definition
| A repeating sequence of events, such as the sunspot cycle |
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Definition
| an attractive force between objects that have mass |
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Definition
| A large cloud of gas and dust that stars begin as. |
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Definition
| What a star is called in the latre stage of a star's life cycle. |
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Definition
| A stage in stars evolution |
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Definition
| Another stage of a star's evolution when star expands, and becomes massive from a massive star |
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Term
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Definition
| collapsed core of a supernova that can shrink to about 20 km in diameter and contains all the nutrients in the dense core |
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Definition
| Final stage in evolution of a very massive star, where the cores mass collapses to a point where it's gravity is so strong that not even light can escape |
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Definition
| a large group of stars, gas, and dust held together by gravity |
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Definition
| the space that contains all known matter and energy |
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Definition
| The leading theory about the formation of the universe. |
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Term
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Definition
| Orion, big dipper, ursa minor. ecc. |
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Term
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Definition
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Definition
| closest star to sun (4.3 trillion light year) |
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Term
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Definition
| hydrogen fuses into helium in the core |
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Term
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Definition
| lowest layer of the sun's atmosphere |
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Term
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Definition
| layer of the sun's athmosphere above the photosphere |
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Definition
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Term
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Definition
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Term
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Definition
| large ejections of eletronically charced gas |
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Term
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Definition
-cause aurora borealis
-disturb radio communications |
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Term
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Definition
-middle age
-yellow
-average magnitude
- takes 8 minutes to get on Earth
- not close to any other star ( not a binary star) |
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Term
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Definition
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Term
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Definition
| when the moon passes between sun and earth |
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Term
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Definition
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Term
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Definition
| solar flares and solar prominces |
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Term
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Definition
| northern light causes by CME |
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Term
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Definition
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Term
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Definition
| diagram to measure temperatures and brightness of a star |
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Term
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Definition
| next step after supergiant |
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Term
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Definition
| spiral, elliptical, irregular |
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Term
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Definition
| galaxies that have spiral arms that wind outward from the sun. the arm consist of bright star, dust, and gas |
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Term
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Definition
| shaped like large,three dimensional ellipses |
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Term
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Definition
| galaxy of many different shapes |
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Term
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Definition
| spiral galaxy and the sun is about 26,000 light years from the center |
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Term
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Definition
| the sun gets his energy by fusing hydrogen into helium in its core |
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Term
| how star born with high mass |
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Definition
| high mass star - supergiant - supernova - black hole or neutron star |
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Term
| how star born with low mass |
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Definition
| low mass star - giant - white dwarfs |
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