Two of Neptune's rings haven't been seen in more than 30 years, and eight of Neptune's moons have.
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Neptune has been seen in extraordinary detail by theJWST. The planet has rings, some of its moons and bands of heat.
While Neptune appears blue in visible wavelength due to methane gas in its atmosphere, that methane absorbs the IR light that JWST observes, so the planet appears a sort of glowing white colour when viewed in these wavelength. There are icy clouds in the sky that reflect sunlight before methane can be absorbed.
Neptune has two bright rings and two fainter ones. The rings are full of dust, which makes them dimmer and harder to see than icy rings like the one that encircles the planet.
It has been 30 years since we last saw these faint, dusty rings, and this is the first time we've seen them in theIR.
The last time we were able to see Neptune's rings was in 1989.
There are eight of Neptune's moons visible in the image as spots of light. The moon system is unusual, for instance, that Neptune and Triton are both retrograde.
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