This is a Kepler-51d news story, published by Mashable, that relates primarily to the James Webb Space Telescope news.
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fourth planetMashable
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86% Informative
Scientists used the James Webb Space Telescope to observe a planet beyond our solar system.
Kepler-51d , an unusual "puffy" world with a cotton candy-like density, passed into view two hours earlier than expected.
It turns out that a previously unknown world, and its gravitational influence, altered the planet's orbit.
Now there are four known planets orbiting a sun-like star, and at least three of them are puffy.
Webb 's infrared eyesight can penetrate places Hubble can't.
Infrared has longer wavelengths than visible light, so the light waves more efficiently slip through cosmic clouds.
The instruments can decipher what molecules (such as water, carbon dioxide, and methane) exist in the atmospheres of distant exoplanets.
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