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There's Something Strange Going On Inside NeptuneNeptune is warmer than Uranus and astronomers are trying to figure out why.
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Meet Hippocamp: Neptune's Smallest Moon Has a Name (and a Violent Past)A faint and frigid little moon doesn't have to go by "Neptune XIV" anymore.
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Neptune's 'Lost' Moon Spotted for 1st Time In 20 Years (Photos)A tiny, mysterious moon orbiting Neptune has been spotted for the first time in more than 20 years.
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Tiny New Moon Discovered Around NeptuneA never-before-seen moon has been spotted in orbit around Neptune. A scientist using NASA and the European Space Agency's Hubble Space Telescope found the tiny moon — called S/2004 N 1 — on July 1.
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A Day on Neptune Is Just 16 Hours Long, Study RevealsAstronomers have finally pinned just how long it takes for sunrise on Neptune.
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New Photos Show Blazingly Bright Uranus & Neptune in InfraredThe photos show the ice giants blazing red-orange in infrared light.
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The Greatest Mysteries of NeptuneNeptune is nearly 3 billion miles away, which makes it pretty difficult to study, but it's packed full of mysteries.
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Neptune Shines in New Photos Marking First Orbit Since Its DiscoveryThe Hubble telescope photos show the most clouds on Neptune seen in years.
