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science Alvarez
Astronomy | study of space |
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H-R Diagram | Scatter plot of stars |
astronomy | study of space |
big bang theory | scientific theory on how the universe started |
Doppler shift | change of frequency due to the Doppler affect |
frequency | number of occurrences |
wavelength | the difference successive crests of a wave. |
Absolute brightness | the apparent brightness |
apparent brightness | luminosity as from viewed from earth |
solar system | Place where the sun,planets stars are at |
star | object that is bright and made out of different materials |
planet | An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit. |
gas giant | a planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune |
stellar spectra | Continuous black body spectrum and photo sphere |
nuclear fusion | a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy. |
red giant | A large, reddish star late in its life cycle |
white dwarf | A small, hot, dim star that is the leftover center of an old star |
nova | new |
pulsar | A neutron star that produces radio waves |
blackhole | a theory; there is one at the center of every galaxy and have so much gravitational pull that even light can't escape its pull |
main sequence | the location on the H-R diagram where most stars lie |
cosmology | study of the universe |