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Описание	Hey Neptune. Did you ring? 👋 Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and moons. (Some of these rings have not been detected since Voyager 2 flew by in 1989!) What’s that in the upper left? That’s no star. It’s Neptune’s large, unusual moon, Triton! Because Triton is covered in frozen, condensed nitrogen, it reflects 70% of the sunlight that hits it — making it appear very bright to Webb. 6 of Neptune’s other moons can also be seen as tiny dots surrounding Neptune and its rings. In visible light, Neptune appears blue due to small amounts of methane gas in its atmosphere. Here, Webb’s NIRCam instrument observed Neptune at near-infrared wavelengths, so Neptune doesn’t look so blue! Read more about Webb’s views of Neptune: www.nasa.gov/feature/goddard/2022/new-webb-image-captures... Image description: Webb’s view of Neptune and its moons. Here, a large, prominent 8-pointed object, colored in teal, is labeled in small white text as Neptune’s moon Triton on the upper left. A small, pearl-like Neptune is below and to the right of Triton. Neptune’s rings are a standout feature. Surrounding Neptune and its rings are 6 other moons, seen as tiny dots, and labeled (clockwise, starting from 3 o’clock): Despina, Proteus, Larissa, Thalassa, Naiad, Galatea. The background is dark and sprinkled with a few other distant objects. Credits: NASA, ESA, CSA, STScI
Источник	https://www.flickr.com/photos/nasawebbtelescope/52374271658/
Время создания	2022-09-21
Автор или правообладатель	NASA's James Webb Space Telescope — Лицензия: Public domain (в общественном достоянии)

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текущий	09:04, 6 августа 2024		1059 × 1059 (1,71 МБ)	Я, робот (обсуждение \| вклад)	== Описание == {{Изображение \| описание = Hey Neptune. Did you ring? 👋 <p>Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and moons. (Some of these rings have not been detected since Voyager 2 flew by in 1989!) </p><p>What’s that in the upper left? That’s no star. It’s Neptune’s large, unusual moon, Triton! Because Triton is covered in fro...

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Автор	Space Telescope Science Institute Office of Public Outreach
Название изображения	NASA’s James Webb Space Telescope is showing off its capabilities closer to home with its first image of Neptune. Not only has Webb captured the clearest view of this peculiar planet’s rings in more than 30 years, but its cameras are also revealing the ice giant in a whole new light.Neptune, located 30 times farther from the sun than Earth, orbits in one of the dimmest areas of our solar system. High noon on Neptune would appear as a dim twilight does to us. This planet, characterized as an ice giant due to a hydrogen and helium-rich interior, has fascinated and perplexed researchers since its discovery via mathematics, not eyesight, in 1846.Most striking about Webb’s new image is the crisp view of the planet’s dynamic rings—some of which haven’t been seen at all, let alone with this clarity since the Voyager 2 flyby in 1989. Visible in the outermost ring, Adam’s ring, in this Webb image are clumps of dust called ring arcs. These thicker bands of dust have been observed to split and evolve, and astronomers will use Webb to investigate why and how that process occurs.Webb’s Near-Infrared Camera (NIRCam) captures objects in the near-infrared range from 0.6 to 5 microns. In the context of Neptune and other solar system gas giants, this means, with Webb, we’re able to study deeper into the planet’s turbulent atmosphere to learn more than ever before about circulation patterns, chemical composition, and atmospheric structure.This first image of Neptune reveals several key features of the ice giant’s atmosphere only visible in the infrared. Most prominent in the image are a series of bright patches representing methane-ice clouds. These clouds are high in the atmosphere and reflect the sun’s bright light. Images from other observatories, including the Hubble Space Telescope and the W.M. Keck Observatory, have recorded these rich, moving features over the years.More subtly, a thin line of brightness circling the planet’s equator is a visual signature of the global circulation of rising and falling material that powers Neptune’s winds and storms. At the equator warmer gases descend, glowing more brightly than the surrounding cooler gases.Neptune’s 164-year orbit means its northern pole, at the top of this image, has remained just out of view for astronomers for the most part–until now. Webb picks up an area of heightened brightness at the north pole area, hinting at some sort of atmospheric structure that could be investigated in future studies. A vortex swallowing part of the southern pole is also clearer in Webb’s view, showing signs of an extremely detailed, multi-faceted structure with a clear, continuous band of clouds surrounding it.Also photobombing Webb’s portrait of Neptune is a bright point of light sporting the signature diffraction spikes in many of Webb’s images—not a star, but Neptune’s most unusual moon, Triton. Covered in a frozen sheen of condensed nitrogen, Triton reflects an average 70 percent of the sunlight that hits it.Webb also captured 6 more of Neptune’s 14 known moons as they follow a relatively close orbit around the planet.The James Webb Space Telescope is the world’s premier space science observatory. Webb will solve mysteries in our solar system, look beyond to distant worlds around other stars, and probe the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (EuropeanSpace Agency) and the Canadian Space Agency.
Краткое название	New Webb Images Capture Rare View of Neptune’s Rings
Поставщик, кто предоставил изображение	NASA, ESA, CSA, STScI; Image Processing: STScI/J. DePasquale
Источник	STScI
Условия использования	http://stsci.edu/copyright/
Оригинальные дата и время	21 сентября 2022
Цветовое пространство	sRGB
Версия Exif	2.31
Ширина изображения	1059 пикс.
Высота изображения	1059 пикс.
Глубина цвета	8 8 8
Высота	1059 пикс.
Ширина	1059 пикс.
Цветовая модель	RGB
Количество цветовых компонентов	3
Горизонтальное разрешение	71,98 точек на дюйм
Вертикальное разрешение	71,98 точек на дюйм
Контактная информация	outreach@stsci.edu http://stsci.edu 3700 San Martin Drive Baltimore, MD, 21218 USA 410-338-4444
Ключевые слова	Neptune
Дата последнего изменения метаданных	12:37, 7 сентября 2022
Уникальный идентификатор исходного документа	BC961BB3FF494D26FFF6C016DF568451
Дата и время изменения файла	12:13, 7 сентября 2022