Search results for “ERI”

What Is a Dwarf Planet? | NASA Planetary Sciences

In this video from NASA, learn about the history of defining a planet, and examine how classification changes based on new knowledge. Our understanding of the solar system has evolved since the ancient Greeks, who first used the word planetes to distinguish the objects that moved against the backdro

What Hubble Taught Us About The Planets

Learn about the Hubble Space Telescope's contributions to our scientific understanding of the solar system in this video from NASA. Hubble has studied all of the planets in the solar system except Mercury. Some of Hubble's notable accomplishments include observations of the climate of Venus, dust st