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asteroids comets and meteorsClear All
Be Smart
Asteroids, Meteors, Comets… and the End of the World?
Dinosaurs owe their destiny to an asteroid. What are the chances humans will meet the same fate? A fascinating video lesson considers the probability of an asteroid colliding with the earth while taking into account variations in...
SciShow Kids
Comets and Asteroids!
Follow along as host Jessi and her mouse sidekick, Squeaks, examine space's comets and asteroids. Discover what they are made of, their size, where we can find them, and two of the more popular space objects of the group.
Curated OER
Comets
What happens when a comet full of 'volatiles' comes to close to the sun? The volatiles ignite, creating a long gaseous tail. Are there differences between meteors and comets? Leading scientists and CG graphics help differentiate the two...
PBS
Pbs Learning Media: Crash Course Astronomy: Meteors
Meteors are small bits of interplanetary debris broken off from asteroids or comets. When the Earth plows through the stream emitted by a comet, we get a meteor shower. Meteors burn up about 100 km above the Earth, but some survive to...
SciShow
Sci Show Kids: Comets and Asteroids!
A video exploring "flying space rocks" known as comets and asteroids. Learn about how comets got their name and the most famous comet. Also understand where asteroids are found and how they change into meteor then meteorite. [4:00]