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Vocabulary on stars
Term | Definition |
---|---|
Star | A large celestial body that is composed of heat and gas. |
Apperent magnitude | The brightness of a star that can be seen from Earth. |
Luminosity | The actual brightness of a object. |
Absolute magnitude | Is a measure of how bright a star would be seen in a standard distance. |
Temperature | The measure of how hot or cold an object would be. |
Main-sequence stars | The location on the H-R diagram where most stars lie. |
Astronomical-unit | The distance of how long it is in space. |