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This 2-minute video lesson provides a correction to the previous video about …
This 2-minute video lesson provides a correction to the previous video about quasars. [Cosmology and Astronomy playlist: Lesson 36 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 9-minute video lesson discusses quasars. [Cosmology and Astronomy playlist: Lesson 35 …
This 9-minute video lesson discusses quasars. [Cosmology and Astronomy playlist: Lesson 35 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 17-minute video lesson discusses the radius of the observable universe. [Cosmology …
This 17-minute video lesson discusses the radius of the observable universe. [Cosmology and Astronomy playlist: Lesson 8 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 10-minute video discusses redshift and the Doppler Effect. [Cosmology and Astronomy …
This 10-minute video discusses redshift and the Doppler Effect. [Cosmology and Astronomy playlist: Lesson 10 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
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]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 10-minute video lesson looks at the scale of the Earth and …
This 10-minute video lesson looks at the scale of the Earth and the Sun. [Cosmology and Astronomy playlist: Lesson 1 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Salman Khan Date Added: 02/20/2011
This 13-minute video lesson examines the size and scale of the solar …
This 13-minute video lesson examines the size and scale of the solar system. [Cosmology and Astronomy playlist: Lesson 2 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 13-minute video lesson examines the scale of our galaxy. [Cosmology and …
This 13-minute video lesson examines the scale of our galaxy. [Cosmology and Astronomy playlist: Lesson 4 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
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]
Subject: Earth Science Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Salman Khan Date Added: 02/20/2011
This 7-minute video lesson looks at images of star fields and nebulas. …
This 7-minute video lesson looks at images of star fields and nebulas. [Cosmology and Astronomy playlist: Lesson 20 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 12-minute video lesson looks at how to measure stellar distance using …
This 12-minute video lesson looks at how to measure stellar distance using parallax. [Cosmology and Astronomy playlist: Lesson 23 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 9-minute video lesson provides another introduction to stellar parallax. [Cosmology and …
This 9-minute video lesson provides another introduction to stellar parallax. [Cosmology and Astronomy playlist: Lesson 22 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 2-minute video lesson provides clarification on parallax. [Cosmology and Astronomy playlist: …
This 2-minute video lesson provides clarification on parallax. [Cosmology and Astronomy playlist: Lesson 24 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 9-minute video lesson looks at supermassive black holes. [Cosmology and Astronomy …
This 9-minute video lesson looks at supermassive black holes. [Cosmology and Astronomy playlist: Lesson 34 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 2-minute video lesson provides a clarification about supernovae. [Cosmology and Astronomy …
This 2-minute video lesson provides a clarification about supernovae. [Cosmology and Astronomy playlist: Lesson 29 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 12-minute video lesson looks at supernovae. [Cosmology and Astronomy playlist: Lesson …
This 12-minute video lesson looks at supernovae. [Cosmology and Astronomy playlist: Lesson 28 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Salman Khan Date Added: 02/20/2011
This 2-minute video lesson looks at the causes precession and other orbital …
This 2-minute video lesson looks at the causes precession and other orbital changes. [Cosmology and Astronomy playlist: Lesson 74 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 13-minute video lesson looks at the process of stars becoming white …
This 13-minute video lesson looks at the process of stars becoming white and black dwarfs. [Cosmology and Astronomy playlist: Lesson 18 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 7-minute video lesson explains why cepheids pulsate. [Cosmology and Astronomy playlist: …
This 7-minute video lesson explains why cepheids pulsate. [Cosmology and Astronomy playlist: Lesson 32 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
This 8-minute video lesson looks at why gravity gets so strong near …
This 8-minute video lesson looks at why gravity gets so strong near dense objects. [Cosmology and Astronomy playlist: Lesson 33 of 85]
Subject: Physical Science Science Material Type: Activity/Lab Provider: Khan Academy Provider Set: Khan Academy Author: Khan, Salman Date Added: 02/20/2011
