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Note: the license status of the source Neptune image, File:Neptune - Voyager 2 (29347980845).png was confirmed by the bot. WolfmanSF (talk) 08:14, 28 September 2019 (UTC) This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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Neptune was discovered in 1846 and is located 30 times farther from the sun than Earth. The planet's 164-year orbit takes it through some of the darkest and most remote regions of the outer solar ...
Features could previously only be seen by sending spacecraft to planet
Pale Blue Dot is a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from an unprecedented distance of approximately 6 billion kilometers (3.7 billion miles, 40.5 AU), as part of that day's Family Portrait series of images of the Solar System.
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The relative "hot spot" is due to Neptune's axial tilt, which has exposed the south pole to the Sun for the last quarter of Neptune's year, or roughly 40 Earth years. As Neptune slowly moves towards the opposite side of the Sun, the south pole will be darkened and the north pole illuminated, causing the methane release to shift to the north pole.