How to Catch a Dwarf Planet—Triton

This instructional activity leads the class through the calculations needed to construct circles to represent the planets of our Solar System. The actual values are provided, as are suggested calculations to create the scale diameters. ...

Should Pluto be considered a planet or a dwarf planet? Scholars research planets in our solar system to understand their similarities and differences. It also includes memory activities related to the order of the planets. 

In this planet Eris worksheet, students read about the discovery of this dwarf planet and its characteristics. Students answer 3 questions about the planets, the classification of planets and the definition of planets. Students define 7...

In this dwarf planet activity, students use images from the Hubble Space Telescope and they determine the scale of the image, they identify the largest features in the images, they calculate the volume of Pluto and they create a model of...

Have you ever looked up at the night sky and wondered what constellation you were seeing or whether that bright object was a star or a planet? Are you searching for the best tilt-to-view constellation and planet app that money can't buy?...

How many football fields would fit on the moon? Although it appears small in the night sky, the distance from Earth makes its size misleading. A quick video lesson from the Kurzgesagt playlist helps scholars understand the size of the...

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.

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]

People may not be able to jump over the moon, but scientists can still study it! The moon is covered with mons (mountains) and mars (seas). Aspiring astrologists learn about the moon's features and phases in a PowerPoint presentation. In...

Mercury, Venus, Earth, and Mars are collectively known as the terrestrial planets. Although part of the same group, each planet has its own set of characteristics. Scholars explore the characteristics that make the planets unique and...