This clip was about what meteors, asteroids and comets are and how they are different. Also about the meteor that exploded over Russia.
Comets are made up from chunks of ice and dust. Some Meteors are really valuable because they let scientists study the stuff that planets are made of. Asteroids are usually made of rock or metal.
Which is the most harmful of the 3 to humans? How do scientists get information on planets from meteors?
An insight I have is that comets, asteroids and meteors are all very different.