Instructional Video
Khan Academy: Quasars and Galactive Collisions: Quasar Correction Instructional Video
Khan Academy

Khan Academy: Quasars and Galactive Collisions: Quasar Correction

9th - 10th
Sal Khan offers a correction to his Quasar video. [1:45]
Get Free Access See Review
Instructional Video
Khan Academy: Quasars and Galactive Collisions: Galactic Collisions Instructional Video
Khan Academy

Khan Academy: Quasars and Galactive Collisions: Galactic Collisions

9th - 10th
Collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda") is featured in this video. [3:34]
Get Free Access See Review