12 Unbelievable Facts That Prove the Universe Is Still Full of Surprises

In ancient times, people believed the Earth was flat and held up by three whales. Today we know about the Big Bang, black holes, and the awe-inspiring expanses of the Universe.
We at Bright Side are sure that many incredible discoveries about the reality in which we live still await humanity. To prove this to you, here are 11 facts about the universe that will astound you.

You might think that there is so much water on Earth that our planet would look like a squeezed lemon without it. However, the water layer is very, very thin compared to the Earth’s diameter, so the planet wouldn’t look so much different, if the total lack of any life doesn’t count. Just look at Mars or Venus.

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