Ranked #1
Cosmological Constant
Cosmological Constant
Transcript: Why is the universe accelerating, and how does this relate to the more standard cosmological idea that since... Read more
28 Jul 2011
•
1min
Ranked #2
Evidence for Cosmic Acceleration
Evidence for Cosmic Acceleration
Transcript: The primary evidence that the universe is currently accelerating comes from distant supernovae. The observa... Read more
28 Jul 2011
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1min
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Accelerating Universe
Accelerating Universe
Transcript: Standard cosmological models, where the universe is filled with matter and radiation, always have an expansi... Read more
28 Jul 2011
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Ranked #4
Deacceleration Parameter
Deacceleration Parameter
Transcript: Universe with matter in it will be continuously decelerating over time since the big bang. Cosmologists ref... Read more
28 Jul 2011
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Density Parameter
Density Parameter
Transcript: Another fundamental quantity of the big bang model is the density parameter. It’s defined as the ratio of t... Read more
28 Jul 2011
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Ranked #6
Hubble Parameter
Hubble Parameter
Transcript: Astronomers often talk about the Hubble constant, capital H with a subscript zero, which represents the loca... Read more
28 Jul 2011
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Ranked #7
Dynamics of Expansion
Dynamics of Expansion
Transcript: General relativity makes a strong connection between the dynamics of the universal expansion, which is to sa... Read more
28 Jul 2011
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1min
Ranked #8
Scale of the Universe
Scale of the Universe
Transcript: The best way to think of the cosmological redshift z is in terms of the scale of the universe. We see regio... Read more
28 Jul 2011
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Ranked #9
Evidence of the Big Bang
Evidence of the Big Bang
Transcript: The big bang theory sounds as fantastic as the creation myths of many of the world cultures. How could you,... Read more
28 Jul 2011
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Ranked #10
Big Bang
Big Bang
Transcript: The man who first came up with the idea of the big bang was an unassuming Belgian priest called Georges Lema... Read more
28 Jul 2011
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1min
