Astronomers haven’t seen the dark rings since Voyager 2 flew past in 1989.
Humankind is seeing Neptune’s rings in a whole new light thanks to the James Webb Space Telescope.take on an ethereal glow
Unlike the dazzling belts encircling Saturn, Neptune’s rings appear dark and faint in visible light, making them difficult to see from Earth. The last time anyone saw Neptune’s rings was in 1989, when Neptune’s elusive rings appear as thin arcs of light in this 1989 image from the Voyager 2 spacecraft, taken shortly after the probe made its closest approach to the planet.Neptune itself appears mostly dark in the new image. That’s because methane gas in the planet’s atmosphere absorbs much of its infrared light. A few bright patches mark where high-altitude methane ice clouds reflect sunlight.
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