The James Webb Space Telescope has captured Neptune in stunning detail, giving scientists a glimpse at some of the planet’s rings that haven’t been seen in more than 30 years
NASA, ESA, CSA, STScI
The James Webb Space Telescope has seen Neptune in extraordinary detail. The new image shows the planet’s rings, some of its moons and bands of heat around its surface.in visible wavelengths due to methane gas in its atmosphere, that methane absorbs the infrared light that JWST observes, so the planet appears a sort of glowing white colour when viewed in these wavelengths. The brightest areas are icy clouds high in the atmosphere, which reflect sunlight before methane can absorb it.
The new image also shows Neptune’s two bright rings, as well of two of its fainter ones. The rings are full of dust, which makes them dimmer and harder to spot than shining, icy rings like the ones that encircle Saturn.“It has been three decades since we last saw these faint, dusty rings, and this is the first time we’ve seen them in the infrared,” said JWST scientist
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