How Did the Earth's Moon Form?
A very brief description of the Giant Impact Hypothesis that describes how the moon formed.
29 Jul 202049s
What do we Know About the Sun?
A brief description of some of the things we know about the Sun.
28 Jul 20201min
What is Conservation of Angular Momentum?
A brief description of angular momentum and how it is conserved in rotating systems that we encounter in astronomy.
28 Jul 20201min
What is the HR Diagram and the Main Sequence?
A brief description of the Hertzsprung Russell (HR) Diagram and its primary feature known as the main sequence.
27 Jul 20201min
What is the Doppler Effect and Redshift?
A brief description of the Doppler Effect and how it can be used to measure the motion of celestial objects toward (via blueshift) and away (via redshift) from us.
24 Jul 20201min
What is the Inverse Square Law of Light?
A brief description of the inverse square law of light and how we use it to determine the distances of celestial objects.
24 Jul 20201min
What are Newton's Laws of Motion?
A brief description of Isaac Newton's three laws of motion.
24 Jul 20201min
Can the Millennium Falcon Really do the Kessel run in 12 parsecs?
A basic definition of the distance unit we call a Parsec.
23 Jul 20202min
