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U11-Astronomy 30-4

(30-4)The Big Bang Theory

QuestionAnswer
the percentage of the universe that is composed of atoms (matter) 4%
the percentage of the universe made of "dark energy" 73%
the percentage of the universe made of dark matter 23%
a type of matter that does not give off light but does have gravity dark matter
a theoretical, undetectable energy that opposes gravity dark energy
the approximate age of the universe (per the big bang theory) 14 billion years
the astronomer who developed the law that states: the farther away a galaxy is from Earth, the faster it is moving away Edwin Hubble
elements formed immediately following the big bang hydrogen, helium, & lithium
the elements that are sythesized within stars (atomic number range) 4 through 26
the elments formed through supernova explosions (atomic number range) 27 & larger
the study of the origin, properties, processes, and evolution of the universe cosmology
approximate percentage of stars that exist in multiple-star systems 50%
the recycling-center for stars nebulae
astronomers around the world have agreed that there are this many official, standard constellations 88
the theory that all matter and energy in the universe was compressed into a small volume, then exploded The Big Bang Theory
radiation uniformely detected from every direction in space Cosmic Background Radiation
the small volume of matter and energy that exploded at the time of the "Big Bang" the primordial atom
the lengthening of a wave due to movement away from another object red-shift
the astronomer who first theorized that all of the universe was once contained in one spot in the universe George Gamow
the scientist who accidently gave the "Big Bang Theory" its name -- althought he did not believe in it Fred Hoyle
Created by: lsiefert on 2007-07-22



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