Prepare to be amazed.
Photo illustration by Matt Tucker, grandaded/Shutterstock/haveseen/Thinkstock/NASA/SDO / Getty
1. The sun makes up more than 99% of the mass of the solar system.
2. Humans can distinguish between at least a trillion smells.
3. Almost every element in your body was made in an exploding star.
4. An asteroid in our solar system has rings, like Saturn.
5. There might be another Earth-sized planet in the outer solar system.
6. A narwhal's tusk is filled with nerves.
7. Each of a tarsier's eyeballs is as big as its brain.
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