This artist's impression shows a hazy sub-Neptune-sized planet recently observed with the James Webb Space Telescope.NASA/JPL-Caltech/R.Hurt (IPAC) An enigmatic, cloud-enshrouded planet that has puzzled astronomers for years turns out to be less hot than expected and surprisingly shiny.That's what the James Webb Space Telescope revealed when it peered at a so-called mini-Neptune that astronomers have been trying to understand ever since it was first discovered around another star over a decade ago, according to a new report published by the journal Nature.
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