Our Solar System’s 9 Extraterrestrial Oceans in One Surprising Infographic

Submitted by  testing at 29 January 2019 in  How to

When scientists looked at Mars through early telescopes, they saw a fuzzy, rust-colored globe scored by mysterious dark gashes some believed were alien canals. Later, armed with sharper images, we scoffed at such naiveté. Mars is obviously dry as a bone and uninhabited. Now, with a great deal more information from rovers and satellites, we believe Mars was once wet. As for life? The jury’s still out. It shows how much we still have to learn (and are learning) about our solar system. Not too long ago, we only suspected one ocean of liquid water beyond Earth (on Europa). Now, thanks to robotic explorers, like NASA’s Dawn and Cassini missions, we’re finding evidence of oceans throughout the solar system. Why do astronomers care so much about water? As far as we know, water (especially liquid water) and life go hand in hand. This is one reason our hunt for exoplanets focuses on the “Goldilocks zone.” This orbital area is at just the right distance from a host star to allow liquid oceans like those found on Earth.

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