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ESS.1 - Astronomy
Terms in this set (17)
The study of the moon, stars, and other objects in space
Big Bang Theory
The theory that the universe originated in a huge explosion that released all matter and energy.
the makeup of something
cosmic background radiation
The electromagnetic radiation left over from the big bang
An observed change in the frequency of a wave when the source or observer is moving
the complete range of electromagnetic waves placed in order of increasing frequency
A pure substance made of only one kind of atom
The ability to do work or cause change
elements (heavier than Fe - Iron) that continue to be formed through supernovas, and death of large stars via nucleosynthesis
anything that takes up space and has mass
Milky Way Galaxy
Galaxy that contains our Solar System. The name derives from its appearance as a dim "milky" glowing band arching across the night sky, in which the naked eye cannot distinguish individual stars.
theory that the sun and the planets condensed out of a spinning cloud of gas and dust
a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
shift of light to a longer wavelength as it moves away
Specify a percentage of original size to enlarge or reduce the size of an object.
the sun and all of the planets and other bodies that travel around it
Space and all the matter and energy in it
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