This 10-minute video lesson continues the discussion of cosmic background radiation. It …
This 10-minute video lesson continues the discussion of cosmic background radiation. It looks at the redshift of the cosmic background Radiation. [Cosmology and Astronomy playlist: Lesson 12 of 85]
This 13-minute video lesson presents a framework for thinking about how many …
This 13-minute video lesson presents a framework for thinking about how many detectable civilizations are out there. [Cosmology and Astronomy playlist: Lesson 59 of 85]
This 9-minute video lesson considers why we even care about the Drake …
This 9-minute video lesson considers why we even care about the Drake Equation. It ponders the fraction of a planet's life when a civilization might be detectable. [Cosmology and Astronomy playlist: Lesson 60 of 85]
This 6-minute video lesson takes a shot at estimating the number of …
This 6-minute video lesson takes a shot at estimating the number of detectable civilizations in the Milky Way Galaxy. [Cosmology and Astronomy playlist: Lesson 62 of 85]
This 13-minute video looks at the development of agriculture and writing in …
This 13-minute video looks at the development of agriculture and writing in the Paleolithic and Neolithic eras of the Stone Age. [Cosmology and Astronomy playlist: Lesson 67 of 85]
This 10-minute video lesson looks at the formation of the Earth which …
This 10-minute video lesson looks at the formation of the Earth which is a the byproduct of a local supernova. [Cosmology and Astronomy playlist: Lesson 38 of 85]
This 10-minute video lesson looks at the four fundamental forces: Gravity, weak …
This 10-minute video lesson looks at the four fundamental forces: Gravity, weak interaction, electromagnetic force, and strong interaction. [Cosmology and Astronomy playlist: Lesson 15 of 85]
This 4-minute video lesson looks at the predicted collision of the Milky …
This 4-minute video lesson looks at the predicted collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda"). [Cosmology and Astronomy playlist: Lesson 37 of 85]
This 8-minute video lesson looks at how the Hawaiian Islands were formed …
This 8-minute video lesson looks at how the Hawaiian Islands were formed by a stationary hot spot under the Pacific plate. [Cosmology and Astronomy playlist: Lesson 49 of 85]
This 6-minute video lesson explains how we know about the Earth's core. …
This 6-minute video lesson explains how we know about the Earth's core. It shows how S-wave shadow and P-wave detection patterns give us information about the core. [Cosmology and Astronomy playlist: Lesson 55 of 85]
This 11-minute video lesson works through a calculation for K-Ar dating (it …
This 11-minute video lesson works through a calculation for K-Ar dating (it is good to have some prior experience with e and logarithms to understand). [Cosmology and Astronomy playlist: Lesson 80 of 85]
This 7-minute video lesson looks at the lifecycle of massive stars (stars …
This 7-minute video lesson looks at the lifecycle of massive stars (stars with masses greater than 9 times the sun). [Cosmology and Astronomy playlist: Lesson 27 of 85]
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