With more powerful telescopes, scientists are discovering smaller objects in our solar system. Find out how scientists now classify planets. See how NASA's robotic spacecraft, New Horizons, will help us learn more about the dwarf planet Pluto and similar objects in the Kuiper Belt.
Published on: April 09, 2013
Download High Def. Video
Download Caption File
NOTE: Download Caption file and link it in your player to get caption in the video.
NASA, NASA eClips, NIA, National Institute of Aerospace, aerospace, Our World, Our World: Pluto -- Our First Dwarf Planet, education, engineering, video, elementary, technology, science, math, STEM, Earth, space, Pluto, Oort Cloud, orbit, solar system, traits, dwarf, New Horizons, New Frontiers, Kuiper Belt, classification, Allen Lunsford, criteria, spherical, SEP1, SEP4, SEP6, SEP8, 5. Space Systems: Stars and the Solar System, 3-5. Engineering Design, NGS