About this video
This video explains why asteroids aren't planets anymore. It talks about how scientists used to think asteroids were planets and then changed their minds. You'll learn about how asteroids are actually pieces of broken-up planets!
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name of the first asteroid discovered?
Answer: Ceres
Q2 What do scientists call a group of asteroids orbiting the Sun between Mars and Jupiter?
Answer: The asteroid belt
Q3 What are asteroids made of?
Answer: Rock and metal
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