NASA Discovers Evidence of ‘Water Worlds’ in Deep Space

There are trillions of planets out there. Some almost certainly contain oceans. Astronomers have found well over 5,000 exoplanets, or planets beyond our solar system, and suspect there are likely over a trillion exoplanets in our Milky Way galaxy alone. Now, scientists have spotted two water worlds they think could be teeming with water. In this Slogging thread, our community discussed NASA's mind-blowing discovery of Water Worlds in Deep Space.