This 10-minute video lesson discusses chronometry and the relatively recent changes in …
This 10-minute video lesson discusses chronometry and the relatively recent changes in our ability as a species to shine light on our deep past. [Cosmology and Astronomy playlist: Lesson 81 of 85]
This 4-minute video lesson provides a correction for the time difference calculation …
This 4-minute video lesson provides a correction for the time difference calculation by taking into account that there is no year 0. [Cosmology and Astronomy playlist: Lesson 66 of 85]
This 2-minute video lesson provides a correction for the previous video on …
This 2-minute video lesson provides a correction for the previous video on the radious of the observable universe. [Cosmology and Astronomy playlist: Lesson 9 of 85]
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]
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