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Stars/HR
| Question | Answer |
|---|---|
| where do stars come from | a thin spread out area of gas and dust |
| what is the birthplace of all stars | Nebula |
| what pulls in more atom, gas , and dust. | protostar |
| when gravity and gas pressure are equal what forms. | equilibrium |
| what is a star | extreme hot ball of gas |
| what is the phases after the main sequence | red sstar |
| how much gravity is on a withe dwarf star | 350,000 times more |
| how big are high mass stars | 10 times bigger |
| what is a red giant | it is a giant star but red |
| what happens to the supernovas core | it gets to heavy and collapse and the is a big explosion |
| what is a neutron star | the left over core of the supernova |
| how does a black hole form | when very massive stars collapse |
| what is a luminosity | the about of light a star emits |
| what tells us how bright something in on earth | apparent magnitude |
| how are stars classified | by what they adsorb |
| how many stars are on the main sequence | 90% |
| what are dying stars called | red giants |
| what is the largest star in the universe | super giant |
| how big is a white dwarf | as big as a planet |
| what is a red dwarf | a small star that is cool and on the main sequence |