Humanity’s first close-up images from Neptune came 34 years ago from NASA’s Voyager 2 spacecraft. The images shows bright cirrus clouds high in its atmosphere above most of its methane.
Mysterious Neptune Dark Spot Detected from Earth for the First Time Aug. 24, 2023 — Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere ...
Kuiper Belt, well past the orbit of Neptune (artistic illustration). There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond ...
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