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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Big Bang and Steady State |
2 Competing Theories |
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Special Theory of Relativity General Theory of Relativity Cosmological Constant |
Einstein's World |
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Einstein's World |
A different way to view gravity |
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Special Theory of Relativity |
Link ★ time and space |
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General Theory of Relativity |
Effects of gravity on space-time fabric |
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Albert Einstein |
Published his eq'ns for general relativity |
1917 |
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Arthur Eddington |
Reviewed and proved Einstein's theory |
1919 |
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Alexander Friedman |
Another expanding universe sol'n from Einstein's theory |
1922 |
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Georges Lamaitre |
A Belgian priest who studied astronomy under Eddington; expanding universe; Primeval Atom |
1927 |
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Edwin Hubble with _________________ |
Proved the island universe concept of galaxies; Other countless star dusters or galaxies outside Milky Way |
Milton Humason 1928-1930 |
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Law of the Expanding Universe |
Other countless star dusters or galaxies outside Milky Way moving away from us |
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Fred Hoyle |
Promoted Steady State Theory; Nucleosynthesis Theory; coined ________________ |
1940s Big Bang |
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George Ganow |
Said that H and He created during the Big Bang Theory; Ylem |
1948 |
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Ralph Alpher and ________________ |
Predicted the fireball radiation while working with Gamow on the Big Bang Theory of the creation of elements |
Robert Herman 1948 |
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Amo Penzias and __________________ |
The cosmic fireball radiation predicted had proof (after ____ years) Instrument used:___________________ Contradicted SS Theory: The universe is ________________ |
Robert Wilson 1965 20 The Smoking Gun Not eternal |
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Alan Guth |
________________-Hyperexpansion of the universe at a rate faster than the speed of light; 4 Forces (___________) combine into a superforce |
1980s Inflation Theory 1. Weak 2. Strong 3. Gravity 4. Electromagnetism |
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Cosmic Background Explorer |
COBE meaning |
1989 |
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Wilson Microwave Anistropy Probe (WMAP) |
A NASA explorer mission that was launched in _____________ to make fundamental measurements of cosmology -- the study of our universe as a whole |
June 2001 |
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13.75 billion years old |
Age of universe accdg. to WMAP 2011 |
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Planck |
Led by the European Space Agency; Provided the most accurate maps of microwave radiation |
2009 |
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13.82 billion years old |
Age of the universe accdg. to Planck in 2013 |
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Misconceptions about Big Bang |
Not big (only highly concentrated singularity); No bang (inflation only) |
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Pulsating universeContinuous expansion |
Until When will the Universe expand? |
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Pulsating Universe |
Expansion end Explosion and Inplosion Also called ___________ |
The Big Crunch |
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Continuous Expansion |
Expansion end Universe will expand infinitely to a state of "nothingness" Also called ________________ |
Heat Death or Big Rip |
