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Patrick Irwin - 3 Neptune - 3 Irwin - 3 ” - 2 “ - 2 — - 1 I’ve - 1 Hubble - 1
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☆ If you thought the planet Neptune was a deep blue color, turns out you're wrong
  + stars: | 2024-01-05 | by ( Mia Jankowicz | ) www.businessinsider.com   time to read: +3 min
Neptune, long believed to be dark blue, is actually very pale like Uranus, scientists say. Related storiesFor decades, famous images from NASA's Voyager 2 mission have circulated showing Neptune in a deep azure tone. Side-by-side comparison of the Voyager 2 images of Neptune and Uranus as reprocessed by scientists at the University of Oxford. Voyager 2's images of Uranus, from 1986, however, were published in a form closer to "true" color, he added. Neptune is just a touch bluer, which the researchers attribute to a thinner haze layer on the planet.
Persons: —, Patrick Irwin, Neptune, Irwin Organizations: NASA's, Service, University of Oxford, Oxford, NASA, JPL, Caltech, Handout, Reuters, Guardian, Hubble, Southern
☆ Mysterious dark spot detected on Neptune
  + stars: | 2023-08-25 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +5 min
CNN —Astronomers have spotted a large and mysterious dark spot within Neptune’s atmosphere, and it has an unexpectedly bright companion. “Since the first discovery of a dark spot, I’ve always wondered what these short-lived and elusive dark features are,” said lead study author Patrick Irwin, professor of planetary physics at the University of Oxford, in a statement. Gas giants and dark spotsGiant gaseous planets in our solar system, including Neptune, are known for the dark spots that appear in their atmospheres, such as Jupiter’s Great Red Spot, a centuries-old storm. The Great Dark Spot on Neptune, the nickname given to the largest storm witnessed by Voyager 2, was so large that it could contain Earth. The unusual cloud appeared in the observation as a smaller bright spot next to the larger dark spot, and both are on the same atmospheric level.
Persons: I’ve, ”, Patrick Irwin, Hubble, Neptune, Irwin, Irwin et, Michael Wong, ” Wong, “ Organizations: CNN —, Southern, Hubble, University of Oxford, Gas, NASA, Irwin’s, European Southern Observatory, University of California Locations: Chile, Northern, Berkeley
☆ Neptune’s disappearing clouds linked to solar cycle
  + stars: | 2023-08-22 | by ( Kristen Rogers | ) edition.cnn.com   time to read: +6 min
The findings are “extremely exciting and unexpected, especially since Neptune’s previous period of low cloud activity was not nearly as dramatic and prolonged,” Chavez added. The findings also contradict the idea of the clouds being affected by Neptune’s four seasons, which each last about 40 years. Additionally, Neptune storms rising from the deep atmosphere do influence the planet’s cloud cover — but aren’t related to clouds formed in the upper atmosphere. That variable could interfere with studies looking at correlations between photochemically produced clouds and the solar cycle. More research could also suggest how long the near absence of clouds on Neptune might last.
Persons: ”, Imke de Pater, Neptune brightened, Erandi Chavez, ” Chavez, Neptune, Patrick Irwin, wasn’t, Irwin, Carlos Alvarez, ” Irwin, “ Organizations: CNN —, University of California, NASA, Hubble, Keck, Lick, Center for Astrophysics, Harvard & Smithsonian, JPL, Caltech, University of Oxford, Keck Observatory Locations: Berkeley, Hawaii, California
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