This 7-minute video lesson looks at apsidal precession (Perihelion Precession) and Milankovitch …
This 7-minute video lesson looks at apsidal precession (Perihelion Precession) and Milankovitch Cycles. [Cosmology and Astronomy playlist: Lesson 75 of 85]
This 7-minute video lesson addresses the question: Are southern hemisphere seasons more …
This 7-minute video lesson addresses the question: Are southern hemisphere seasons more severe because of the eccentricity in Earth's orbit? [Cosmology and Astronomy playlist: Lesson 72 of 85]
This 10-minute video lesson looks at the beginnings of life on Earth. …
This 10-minute video lesson looks at the beginnings of life on Earth. Life and photosynthesis start to thrive in the Archean Eon. [Cosmology and Astronomy playlist: Lesson 39 of 85]
This 10-minute video lesson contiues to discuss the beginnings of life on …
This 10-minute video lesson contiues to discuss the beginnings of life on Earth. The ozone layer and eukaryotes show up in the proterozoic eon. It includes the great oxygenation event (oxygen catastrophe). [Cosmology and Astronomy playlist: Lesson 40 of 85]
This 10-minute video lesson continues to discuss the beginnings of life on …
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]
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