时间:2025-11-22 10:38:54 来源:网络整理编辑:焦點
Of all the nearby planets, Saturn is most famous for its prominent rings. But NASA's James Webb Spac
Of all the nearby planets, Saturn is most famous for its prominent rings. But NASA's James Webb Space Telescope is reminding astronomers that Neptune's got bling, too.
A new telescope image shows Neptune, which often looks like a gigantic blue ball on an opaque background of blank space, as a darkened sphere with delicate hoops of dust and a scattering of moons. As with all of Webb's photos in infrared light (a type of light that's invisible to our eyes), it is surrounded by never-before-seen galaxies billions of light-years away.
Astronomers say the new photo is the clearest shot of the ice-giant planet taken in more than 30 years. Neptune's ghostly rings, some of which haven't been detected since Voyager 2 spotted them as it flew past in 1989, are on display. The pictures also reveal for the first time a band of clouds around a known vortex at the planet's south pole.
Tweet may have been deleted
Such vivid imagery taken of this solar system demonstrates the $10 billion telescope's ability to collect extraordinary data not just of the distant universe — its main purpose — but of celestial objects closer to home. Scientists believe Webb will unleash a golden age in our understanding of the cosmos.

"Not gonna lie. I ugly-cried when I saw THE FIRST JWST NEPTUNE IMAGES!" said Heidi Hammel, a Webb interdisciplinary scientist and Neptune expert, on Twitter. "'O M G - LOOK AT THE RINGS' I was yelling, making my kids, my mom, even my cats look. More than 20 years in the making, and JWST delivered."
Tweet may have been deleted
Want more scienceand tech news delivered straight to your inbox? Sign up for Mashable's Top Stories newslettertoday.
Unless you're a Pluto truther, Neptune is the most distant planet in the solar system. In fact, even if Pluto were still considered the ninth planet, Neptune is still at times farther from the sun. It takes about 165 years for Neptune to make a loop around the star and is not visible to the naked eye. Yet if Earth were the size of a nickel, the ice giant would be as big as a basketball, according to the Space Telescope Science Institute in Maryland.
It's a dark, blustery world, whipped by winds faster than the speed of sound and only getting a dim twilight's worth of sun at its high noon.
Tweet may have been deleted
In Webb's photo shoot on July 12, the telescope's near-infrared camera captured the planet's turbulent, windy atmosphere. The most prominent features are bright splotches in its lower half that indicate lofty methane ice clouds, according to the institute.
The Hubble Space Telescope's previous pictures of Neptune show the far-flung behemoth as a bright blue sphere because traces of methane gas register blue at visible wavelengths. But because methane strongly absorbs red and infrared light, it seems relatively dark through Webb's eyes.
TopicsNASA
We asked linguists if Donald Trump speaks like that on purpose2025-11-22 10:38
Being afraid to come out in a country that just elected a lesbian prime minister2025-11-22 09:54
Xiaomi has a smart speaker too, and it's crazy cheap2025-11-22 09:54
'The Emoji Movie' Review2025-11-22 09:46
Dramatic photo captures nun texting friends after Italy earthquake2025-11-22 09:43
Don't even think about bringing your selfie stick to these tourist destinations2025-11-22 09:36
Are period apps gender2025-11-22 08:56
Who's right about AI: Mark Zuckerberg or Elon Musk?2025-11-22 08:51
Nancy Pelosi warns colleagues after info hacked2025-11-22 08:26
This Is Us Season 2 will answer all our questions about how Jack dies2025-11-22 08:19
Whyd voice2025-11-22 10:33
NASA isn't hiring someone to protect you from evil aliens2025-11-22 10:29
Jeff Bezos is now the world's richest human2025-11-22 10:05
Find out how much money you could be getting for your place on Airbnb2025-11-22 09:20
Donald Trump's tangled web of Russian influence2025-11-22 09:17
Guy tries to date 6 women in 1 night, women turn the tables2025-11-22 09:04
The Coen Brothers are coming to Netflix for a Western anthology2025-11-22 09:02
Drake's latest tattoo is a tribute to none other than Lil Wayne2025-11-22 09:00
Here's George Takei chilling in zero gravity for the 'Star Trek' anniversary2025-11-22 08:28
Drake's latest tattoo is a tribute to none other than Lil Wayne2025-11-22 08:11