White dwarfs are stars that refuse to die. A video begins with an explanation of the three fates of dying stars. The presentation explains the composition and life expectancy of a typical white dwarf.

What happens at the end of the life cycle of a star? A lesson in the Socratica Astronomy playlist shows three ways a star dies: white dwarf, black hole, and neutron star. Each ending depends on the mass of the original star.

Neptune has more than its share of moons with 14, although Triton takes the prize for the largest. Study the origin and behavior of Neptune's moons with a video lesson from the Kurzgesagt playlist. 

The motion of the earth around the sun creates many different patterns in our world. Watch as a video instructor explains the patterns of moon phases, sunrise and sunset times, seasons, tides, and constellations among others. He also...

The first man-made object to enter space happened in 1942; just 71 years later, we sent the first object outside the entire solar system. The video introduces the solar system, starting with the sun. It covers each planet, the more...

If Neptune didn't catch Triton we might have another Dwarf Planet in our Solar system -- maybe even another Planet or double system. We show how this could have happened. [2:06]

A video dedicated to learning about the dwarf planets. Learn that a dwarf planets differs from a regular planet based on its size and its unclear path it takes around the sun. Also get some more details about Haumea, Eris, Pluto, Ceres,...

Dwarf planet 2012 VP-113 takes approximately 4,000 years to orbit the sun once. [11 mins. 55 secs.]

In this video, Paul Andersen explains the parts of the Solar System; including the planets, dwarf planets, moons and asteroids. He explains how everything orbits around the Sun and how a proper understanding of this heliocentric model...