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Science Around Cincy - Expansion of the Universe
Terms in this set (9)
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
An observed change in the frequency of a wave when the source or observer is moving
A shift toward longer wavelengths of the spectral lines emitted by a celestial object that is caused by the object moving away from the earth.
Big Bang Theory
Cosmological model that explains the sudden development of the universe through expansion from a hot, dense state.
The magnification or distortion of an image caused by light bending through a gravitational field,
Gravitational attraction between masses is a result of the nearby masses; gravity has waves
the inseparable, four-dimensional combination of space and time
An object in space whose gravity is so strong not even light can escape.
a rapidly spinning neutron star that emits rapid pulses of radio and optical energy
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