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Lifecycle of Stars
Stars, Galaxies and the Universe
8
Science
6th Grade
01/21/2013

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Term
red giant
Definition
a large, reddish star late in its life cycle
Term
white dwarf
Definition
a small, hot, dim star that is the leftover center of an old star
Term
H-R Diagram
Definition
Hertzsprung-Russell diagram, a graph that shows the relationship between a star's surface temperature and absolute magnitude
Term
main sequence
Definition
the location, according to the H-R diagram, where most stars lie
Term
supernova
Definition
a gigantic explosion in which a massive star collapses and throws its outer layers into space
Term
neutron star
Definition
a star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutrons
Term
pulsar
Definition
a rapidly spinning neutron star that emits rapid pulses of optical and radio energy
Term
black hole
Definition
an object so massive and dense that even light cannot escape its gravity
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