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Age: INFINITE Size: 300,000 ly
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FACT
Einstein predicted that the suns gravity would bend starlight as it passed the sun. -
FACT
Professor Stanley Eddington confirmed Einstiens theory. -
FACT
The center of the Milkey Way is 60 light years from the sun -
Period: to
Cosmic Times
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AGE: 2 billion SIZE: 280,000,000 ly
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FACT
Dr. Hubble took hotos of "spiral nebulae" -
FACT
Andromeda was 100million light years away -
FACT
Three types of galaxies Hubble identified were spiral, irregular, and elliptical. -
AGE:6 billion SIZE: 4-8 billion light years
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FACT
Walter Baade took pictures of Andromeda -
FACT
Type 1 stars are brighter bluer and lie in open clusters -
FACT
Two theries are the big bang and the steady state -
AGE: 10-25 billion SIZE: 25 billion ly
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FACT
Arno Penzias and Robert Willson accedentally found radiation from the big bang -
FACT
Astronomers measure speed of stars by looking at their light spectra -
FACT
Astronomers found that the amount of light is not what we accpect from so much matter -
AGE: 12-20 bjllion SIZE: 30 billion ly
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FACT
The universe started as a dense ball of energy -
FACT
IF dark matter was not present the gas would quickly dissipate -
FACT
The new discoveries of cephied variable stars and type 1 cupernovea is better than Henrietta Leavitt because we can see them at greater distances -
AGE: 13.7 billion SIZE: 94 billion ly
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FACT
Dark energy - 73% atoms- 4% dark matter 23% -
FACT
Dr. John C Mather is a NASA scientist who discovered cosmic microwave backrounds -
FACT
CMB is thr remaining light from the beginning of the universe
