13 Insane Mysteries of Our Planet We’ve Yet to Unravel

We’ve examined our planet from core to surface, and it seems that we know everything about it and now we are ready to explore space, but Earth isn’t at all done surprising us just yet.


13. We’ve never reached the mantle

Fact: sciencelinequora


12. The poles can change

11. We used to have two moons

Fact: Naturespace


10. Moonquakes

Fact: nasanature

9. Earth spins really fast

600 km/h, and its movement around the Sun is even faster at 108,000 km/h. We, though, can only feel the movement when its speed changes. Because of the constant speed and the force of gravity, we don’t feel it at all.

Fact: nasa

8. Time is “growing”

Fact: nasaspaceaim

7. Strange gravity

Fact: science


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