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Chapter 2 Layering Packet Part B

Across
An object so massive and dense that even light cannot escape its gravity.
Hertzsprung Russel diagram, a graph that shows the relationship between a stars surface temperature and magnitude.
A tight group of stars that look like a ball and contains up to 1 million stars.
The band of color produced when white light passes through a prism.
The brightness a star as seen from the earth.
The location on a HR diagram where most stars lie.
A large cloud of dust and gas in interstellar space; a region in space where stars are born or where stars explode at the end of their lives.
A group of stars that are close together related to surrounding stars.
A very luminous, star like object that generates energy at a high rate; quasars are thought to be the most distant object in the universe.
A large, reddish star late in its life cycle.
Down
A small, hot , dim star that is the leftover center of an old star.
The study of the origin properties, processes, and evolution of the universe.
The theory the stats the universe began with a tremendous explosion 13.7 billion years ago.
The distance light travels in one year about 9.5 trillion kilometers.
A star that has collapsed under gravity to the point that the electrons and the protons have smashed together to form neutrons.
The brightness that a star would have at a distance of 32.6 light years from earth.
A gigantic explosion in which a massive star collapses and throws its outer layers into space.
An apparent shift in the position of an object when viewed from different locations.
A rapidly spinning neutron star that emits rapid pulses of radio and optical energy.