JWST Sees Newly Forming Planets Swimming in Water By Nancy_A
The water vapor was detected at distances of less than 100 million miles from the star. Earth orbits 93 million miles from our Sun.
While actual planets haven’t yet been detected in this inner region of PDS 70, astronomers have seen evidence of protoplanets, with the raw materials for building rocky worlds in the form of silicates. The astronomers, that the detection of water vapor implies that if rocky planets are forming there, they will have water available to them from the very start.
A spectrum of the protoplanetary disk of PDS 70, obtained with Webb’s MIRI , displays a number of emission lines from water vapor. Scientists determined that the water is in the system’s inner disk, at distances of less than 100 million miles from the star – the region where rocky, terrestrial planets may be forming. Download the full-resolution version from the Space Telescope Science Institute. Credits: NASA, ESA, CSA, J.
“This discovery is extremely exciting, as it probes the region where rocky planets similar to Earth typically form,” added MPIA director Thomas Henning, a co-author on the paper. Henning is co-principal investigator of Webb’s MIRI , which made the detection, and the principal investigator of the MINDS program that compiled the data.
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