Cosmic Calendar

Chapter 2

Precession of the Equinoxes

Another Precession video

Eratosthenes

Retrograde Motion

Chapter 3

Apollo 15 Hammer-Feather Drop

Newton's 3rd Law Astronaut Story

Newton's 3rd Law Astronaut Demostration

Chapter 4

Leaf shadows during eclipse

Day/Night contrast during eclipse

Chapter 5

Space Shuttle Tiles

Chapter 6

Adaptive Optics

Chapter 7

Titan Descent

Chapter 12, 13, 14

Russian Meteor

Meteor Shower Time Lapse

Ceres Fly Over

New Horizons Pluto Flyby

Rosetta Comet Landing

Rosetta Surface view

Comet ISON

Chapter 15, 16

Solar Granulation

Solar Granulation and Sunspot

Looping Prominance

Coronal Mass Ejection

Chapter 20, 21

Triggered Star Formation

Star Formation Simulation

Large Cluster Formation Simulation

Chapter 25

Solar system motion from the perspective of the galaxy

Chapter 26

Collision with Andromeda

Chapter 27, 28

Galaxy Collisions

The Mice Galaxies

Active Galaxy Core

AGN Radio vs. Optical

Chapter 30

Fermi Paradox Part 1

Fermi Paradox Part 2

Optimistic Nihilism