This 10-minute video lesson continues to discuss the beginnings of life on Earth. It looks at the Cambrian explosion and biodiversity in the Phanerozoic Eon. [Cosmology and Astronomy playlist: Lesson 41 of 85]
- Author:
- Khan, Salman
Updating search results...
163 Results
This 6-minute clarifies the first living things to colonize land. [Cosmology and Astronomy playlist: Lesson 42 of 85]
- Author:
- Khan, Salman
This 11-minute video lesson introduces the Big Bang theory of the origin of the universe. [Cosmology and Astronomy playlist: Lesson 7 of 85]
- Author:
- Khan, Salman
This 8-minute video lesson looks at the birth of stars. [Cosmology and Astronomy playlist: Lesson 16 of 85]
- Author:
- Khan, Salman
This 10-minute video lesson discusses black holes. [Cosmology and Astronomy playlist: Lesson 30 of 85]
- Author:
- Khan, Salman
This 10-minute video lesson provides an introduction to Carbon 14 and how it is used for dating.
- Author:
- Khan, Salman
This 4-minute video lesson concludes the discussion of Carbon 14 dating.
- Author:
- Khan, Salman
This 9-minute video lesson looks at Cepheid Variables. [Cosmology and Astronomy playlist: Lesson 31 of 85]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
This 12-minute video lesson discusses cosmic background radiation. [Cosmology and Astronomy playlist: Lesson 11 of 85]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
This 7-minute video lesson considers the scale of cosmologial time. [Cosmology and Astronomy playlist: Lesson 13 of 85]
- Author:
- Khan, Salman
This 6-minute video lesson contiues to look at the scale of cosmological time. [Cosmology and Astronomy playlist: Lesson 14 of 85]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
This 7-minute video lesson reconciles the traditional Drake Equation. [Cosmology and Astronomy playlist: Lesson 61 of 85]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
This 5-minute video lesson looks at more reasons why we haven't detected anything yet. [Cosmology and Astronomy playlist: Lesson 63 of 85]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman
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]
- Author:
- Khan, Salman