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Star vocabulary
Vocabulary words for life cycle of a star
Term | Definition |
---|---|
Planetary nebula | stage when gases are released by a red giant and a dense core remains |
sun-like star | a star approximately the mass of the sun |
Helium | this element is the result of fusion of hydrogen during the main sequence |
neutron star | end for a large size star |
protostar | when a star is born and fusion begins in the core |
black hole | remnant of a giant star |
main sequence | the phase in a star's life where hydrogen is fused to helium |
red giant | phase after a sun-like star's main sequence when fusion of helium takes place |
black dwarf | phase when a star is too cool to emit any more light and fusion is no longer occurring in the core |
white dwarf | light is emitted but the star is dead |
nebula | a cloud of dust and gas |
gravity | a pull force |
galaxy | a massive collection of stars, dust and gas held together by gravity |
super red giant | phase after the main sequence of a giant star |
photon | particle of light trying to escape the star's core |
supernova | explosion of a super-red giant which leads to higher temperature allowing for elements heavier than iron to form |
betelgeuse | one of the stars making up the constellation Orion |
fusion | process that takes place in the core of every 'living' star |
blue star | hottest stars and brightest star |
red star | coolest star that can have high or low luminosity depending on the phase of the star |
Life Cycle of a Small Star | Nebula, protostar, sun-like star, main sequence, red giant, planetary nebula, white dwarf |
Life Cycle of a Large Star | Nebula, protostar, large star, main sequence, super red giant, supernova, neutron star |
Life Cycle of Giant star | Nebula, protostar, giant star, main sequence, super red giant, supernova, black hole |