This 8-minute video lesson examines the scale of distance from the solar …
This 8-minute video lesson examines the scale of distance from the solar system to the closest stars. [Cosmology and Astronomy playlist: Lesson 3 of 85]
This 11-minute video lesson attempts to comprehend the size of the universe …
This 11-minute video lesson attempts to comprehend the size of the universe and the scale of the large. [Cosmology and Astronomy playlist: Lesson 57 of 85]
This 13-minute video lesson attempts to comprehend the scale of the small: …
This 13-minute video lesson attempts to comprehend the scale of the small: from honey bees, to cells, to viruses, to atoms. [Cosmology and Astronomy playlist: Lesson 58 of 85]
This 5-minute video lesson looks at seasons and why they aren't dictated …
This 5-minute video lesson looks at seasons and why they aren't dictated by the Earth's closeness to the sun. [Cosmology and Astronomy playlist: Lesson 69 of 85]
This 9-minute video lesson considers seismic waves and how they are related …
This 9-minute video lesson considers seismic waves and how they are related to the composition of the Earth. It covers both S-waves and P-waves. [Cosmology and Astronomy playlist: Lesson 51 of 85]
This 6-minute video lesson looks at the Mohorovicic Seismic Discontinuity: the boundary …
This 6-minute video lesson looks at the Mohorovicic Seismic Discontinuity: the boundary between crust and mantle (or Moho). [Cosmology and Astronomy playlist: Lesson 54 of 85]
This 10-minute video lesson discusses the differences between BC, BCE, AD and …
This 10-minute video lesson discusses the differences between BC, BCE, AD and CE. It includes a little bit about the birth of Jesus as well. [Cosmology and Astronomy playlist: Lesson 65 of 85]
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