Video Resources:

Bibliography:

Dunbar, Brian. “What Kinds of Planets Are Out There?” NASA, NASA, www.nasa.gov/vision/universe/starsgalaxies/earthsized_planets.html.

Howell, Elizabeth. “How Are Planets Formed?” Phys.org, Phys.org, 30 Jan. 2015, phys.org/news/2015-01-planets.html.

Misachi, John. “What Is The Earth Made Of?” WorldAtlas, WorldAtlas, 8 May 2018, www.worldatlas.com/articles/what-is-the-earth-made-of.html.

National Geographic Society. “Atmospheric Pressure.” National Geographic Society, 9 Oct. 2012, www.nationalgeographic.org/encyclopedia/atmospheric-pressure/.

“Planets and How They Formed.” Las Cumbres Observatory, lco.global/spacebook/solar-system/planets-and-how-they-formed