In ancient times, people believed that the Earth was flat and supported by three whales. Today we know the Big Bang, black holes, and the impressive expanses of the Universe.
We are confident that many incredible discoveries about the reality in which we live still await humanity. To prove it, here are 11 facts about the universe that will surprise you.
You would 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 diameter of the Earth, so the planet would not look much different if the total lack of life does not count. Just look at Mars or Venus.