You must subscribe to unlock this video.

NASA Tutorial-Why Isn't Pluto a Planet Anymore?

video thumbnail

What actually are planets, asteroids and dwarf planets? Here, Dr. Robert Hurt from the Spitzer Science Center in California, touches upon this intriguing question. In addition, he addresses the status of Pluto and how it recently came to pass that, what was once considered our solar system's most distant planet, has recently been demoted and... why? Enjoy!

If you’d like to watch this and more videos, join our free trial.

Free sample videos

  • video thumbnail

    Jessica - Brooklyn Sites

    Difficulty: difficulty - 2

  • video thumbnail

    Movie Trailers - Bad Teacher

    Difficulty: difficulty - 4

  • video thumbnail

    James Blunt - You're Beautiful

    Difficulty: difficulty - 2

  • video thumbnail

    In London with Lauren - Piccadilly Circus

    Difficulty: difficulty - 2