The James Webb Space Telescope reveals a mysterious planet to be weirdly shiny
Astronomers pointed the James Webb Space Telescope at a common kind of planet that's bigger than Earth but smaller than Neptune. What they saw wasn't what they expected.
by Nell Greenfieldboyce
May 10, 2023
3 minutes
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.
Our own solar system has nothing like this planet, called GJ 1214b. It's bigger than the rocky planets
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