© NASA/JPL-Caltech

Earth is also known as the “blue planet”, since around 70% of its surface is covered by water. No other planet in our solar system can be compared to Earth, although the oceans and lakes around the globe are not the only sources of water in the solar system. However, most of the non-earthly water is frozen. For example, the polar caps on Mars and some Jupiter moons are covered by ice, and on Jupiter’s moon Europe there are even indications of oceans under the ice. Furthermore, there are lots of comets traveling through the galaxy and they consist mostly of ice and, according to the latest findings, exactly such comets may be responsible that there is water on earth – and therefore also life.

Get full access to our archive by becoming a member of Innovation Origins. Sign up here as a supporter of independent journalism!

Become a member!

On Innovation Origins you can read the latest news about the world of innovation every day. We want to keep it that way, but we can't do it alone! Are you enjoying our articles and would you like to support independent journalism? Become a member and read our stories guaranteed ad-free.

About the author

Author profile picture Petra Wiesmayer is a journalist and author who has conducted countless interviews with high-profile individuals and researched and written general entertainment, motorsports, and science articles for international publications. She is fascinated by technology that could shape the future of mankind and enjoys reading and writing about it.As an avid science fiction fan she is fascinated by technology that could shape the future of mankind and enjoys reading and writing about it.