About this video
This video talks about strange rocks that look like they were made by aliens! We learn how these rocks really formed on Earth and even on Mars.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What are the smooth, metallic spheres found in South Africa called?
Answer: Klerksdorp spheres
Q2 What color are the tiny spheres found on Mars?
Answer: Blue
Q3 What do some people call the round rocks found in Utah?
Answer: Marbles
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