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Stars vocab
Life chicle of a star
Question | Answer |
---|---|
Nebula | A could of dust and gas in space |
Protostar | Begins to form out of a nebula |
Main-sequence | A star that is fusing hydrogen into helium often called the "adult" form of a star |
Red giant | A star that uses up the supply of hydrogen at its core and expands |
Planetary nebula | As a red giant expands,it is no longer able to hold onto its outer layer of gas. |
White dwarf | The stars core continues to shrink and the surface heats up. Hot and dense core of a star. |
Black dwarf | A white dwarf which has cooled off. |
Supergiant | These have masses of 10 or more times the sun and luminosities from 30,000 to over a million times the sun |
Supernova | An explosion which rips apart a star near the end of its life |
Neutron star | An extremely small and dense star that is composed entirely of neutrons |
Black hole | A star with gravity so strong that even light is unable to escape. |