JWST Discovers Water Vapor in a Disk with Giant Planets


Water is essential for life as we know it, but how do planets get their water? How do they become habitable for living beings? In this video, we explore the latest discovery of water vapor in the inner region of a disk of gas and dust around a young star called PDS 70, which hosts at least two giant planets. We also learn how this finding offers evidence of a mechanism to supply water to potentially habitable planets already during their formation, in addition to later impacts of water-bearing asteroids. Finally, we discuss the implications of this discovery for our understanding of planet formation and the origin of life, and how it was made possible by using the James Webb Space Telescope (JWST) and its MIRI instrument.

Credit NASA

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