• MY BLOG
  • BOOKS & ARTICLES
    • Books by Andrew Fraknoi
    • Articles for the Public
    • Articles for Educators
    • Classroom Activities on Astronomy
  • RESOURCE GUIDES
  • CONSULTING
    • Non-technical Talks on Astronomy
    • Developing Resource Guides
    • Writing Web-based Articles
    • Giving Talks on Astronomy Education
  • CLASSES & LECTURES
    • Classes I Teach
    • Silicon Valley Astronomy Lecture Series
    • Public Lectures I Give
  • GALLERIES
    • Solar System Images
    • Nebula and Galaxy Images
    • Bumper Stickers for Astronomy
    • Pictures with Astronomers
  • AUDIO & VIDEO
    • Radio Programs & Podcasts with Andrew Fraknoi
    • Videos of Talks and Interviews
  • SCIENCE FICTION
Type and hit ENTER

Be Yourself. Be Happy.

Of the grand order of folio leviathans, the Sperm Whale and the Right Whale are by far the most noteworthy. They are the only whales regularly hunted by man. To the Nantucketer, they present the two extremes of all the known varieties of the whale. As the external difference between them is mainly observable in their heads; and as a head of each is this moment hanging from the Pequod's side.

Stay Positive. Always.

Of the grand order of folio leviathans, the Sperm Whale and the Right Whale are by far the most noteworthy. They are the only whales regularly hunted by man. To the Nantucketer, they present the two extremes of all the known varieties of the whale. As the external difference between them is mainly observable in their heads; and as a head of each is this moment hanging from the Pequod's side.

  • MY BLOG
  • BOOKS & ARTICLES
    • Books by Andrew Fraknoi
    • Articles for the Public
    • Articles for Educators
    • Classroom Activities on Astronomy
  • RESOURCE GUIDES
  • CONSULTING
    • Non-technical Talks on Astronomy
    • Developing Resource Guides
    • Writing Web-based Articles
    • Giving Talks on Astronomy Education
  • CLASSES & LECTURES
    • Classes I Teach
    • Silicon Valley Astronomy Lecture Series
    • Public Lectures I Give
  • GALLERY
  • AUDIO & VIDEO
    • Radio Programs & Podcasts with Andrew Fraknoi
    • Videos of Talks and Interviews
  • SCIENCE FICTION
GET CONNECTED
  • MY BLOG
  • BOOKS & ARTICLES
    • Books by Andrew Fraknoi
    • Articles for the Public
    • Articles for Educators
    • Interdisciplinary Articles (Astronomy & the Humanities)
    • Classroom Activities on Astronomy
  • RESOURCE GUIDES
  • CONSULTING
    • Non-technical Talks on Astronomy
    • Developing Resource Guides
    • Writing Web-based Articles
    • Giving Talks on Astronomy Education
    • Organizing Conferences or Workshops
  • CLASSES & LECTURES
    • Classes I Teach
    • Silicon Valley Astronomy Lecture Series
    • Public Lectures I Give
  • GALLERIES
    • Solar System Images
    • Nebula and Galaxy Images
    • Bumper Stickers for Astronomy
    • Pictures with Astronomers
  • AUDIO & VIDEO
    • Radio Programs & Podcasts with Andrew Fraknoi
    • Videos of Talks and Interviews
  • SCIENCE FICTION
Jupiter’s Ring with the Webb Telescope
Share
Jupiter in the Infrared showing its rings
Astronomy, Infrared Astronomy, James Webb Space Telescope, Jupiter

Jupiter’s Ring with the Webb Telescope

July 26, 2022
-
Posted by Andrew Fraknoi

Soon after the scientists working with the Webb telescope released their gorgeous images for public consumption, they also started making available some of the images that were gathered as engineers checked the instruments and systems aboard the spacecraft that is the telescope. It turns out, one of set of these images held a pleasant surprise.

Few people know that the planet Saturn is not the only world with a ring around it in our solar system. All three of the other giant planets beyond the asteroid belt — Jupiter, Uranus, and Neptune — also have rings. Of the four ring systems, Jupiter’s is the most pathetic: It’s a thin set of rings consisting mostly of dust that comes from some of the innermost tiny moons that orbit Jupiter.

Jupiter’s ring system is extremely hard to see from Earth (that’s why Saturn’s wide and reflective rings get all the media attention!) In fact, Jupiter’s ring was only discovered when the Voyager 1 spacecraft brought its cameras close to Jupiter.

But here it is, already clearly visible in the commissioning images the engineers snapped. Remember, the James Webb Telescope observes infrared rays that our eyes can’t see. So all the colors on these images are false colors, put in to help us sort things out on the pictures. The two images we are looking at were taken in two different infrared channels (or colors). The ring is especially clear on the right picture, close to where the small moons Thebe and Metis are shown.

On the left picture, the spectacular weather patterns on Jupiter are more easily seen. Because the planet Jupiter is made mostly of gas and liquid (its solid core is deep inside), and it spins very quickly, there are huge circulation patterns set up, which we see as the bands and zones that cross the face of the giant planet. The biggest “tropical storm” on Jupiter, the Great Red Spot, is visible on the left picture, next to the word “Metis.” That storm, which changes in size over time, has been observed to grow as large as three Earths side by side!

To the extreme left on each image, you also get to see the large moon Europa, which missions to the Jupiter system have shown to be an icy world, with a sub-surface ocean, most likely made of liquid water. It glows bright in these images with its heat signature. It is one of our favorite targets for future close-up investigation.

If you’d like to see Jupiter in more detail in visible light (but with no HINT of a ring), one of my favorite images is at: https://photojournal.jpl.nasa.gov/jpeg/PIA02873.jpg

July 26, 2022

Related Posts

Other posts that you should not miss.
Asteroids, Astronomy, Comets

First Visitor from the Realm of the Stars Ever Found Is Oddly Shaped

December 6, 2017
-
Posted by Andrew Fraknoi

Astronomers around the world have been observing a small but fast object that gives every indication of coming …

Read More
December 6, 2017
Posted by Andrew Fraknoi
Full Moon, Lick Observatory
Astronomy, Moon, Sky Phenomena

New Year’s Day Full Moon will be a “Supermoon”

December 30, 2017
-
Posted by Andrew Fraknoi

     By a cosmic coincidence, the first day of 2018 will have a nice full Moon …

Read More
December 30, 2017
Posted by Andrew Fraknoi
lunar eclipse, eclipse of the Moon,
Astronomy, Eclipse, Moon, Sky Phenomena

Total Eclipse of a Blue Supermoon on January 31

January 26, 2018
-
Posted by Andrew Fraknoi

On Wednesday morning, January 31, residents of North America (and particularly those on the west coast) will experience …

Read More
January 26, 2018
Posted by Andrew Fraknoi
← PREVIOUS POST
New Webb Image: Cartwheel Galaxy
NEXT POST →
James Webb Telescope Image: The Death-shroud Ring

"*" indicates required fields

Subscribe to my blog!

Name*
This field is for validation purposes and should be left unchanged.

RECENT POSTS
  • We see the 128 new moons of Saturn with their orbits drwan in
    128 New Moons Found Around Saturn
    April 8, 2025

    An international team of astronomers announced recently that they had discovered 128 new, small …

  • Three images of the Moon during an eclipse
    Total Eclipse of the Moon Coming Mar. 13-14
    February 13, 2025

    There will be a total eclipse of the Moon visible in the Americas the night of March 13-14

  • Edwin Hubble
    Celebrating the Centennial of Galaxies January 1 2025
    December 29, 2024

    On January 1, 1925, at a meeting of the American Astronomical Society in Washington, …

  • Diagram showing Earth's tilt and the seasons
    Dec. 21 is Winter Solstice — Why We Have Seasons on Earth
    December 19, 2024

    Saturday, Dec. 21 will be the winter solstice – the shortest day and longest …

  • Anything can be a UFO (or a threatening drone) if you are bad enough at identifying stuff.
    Drone Madness: Here is the Antidote
    December 15, 2024

    For those of us who, through the years, have been through wave after wave …

Archives
  • HOME
  • ABOUT ME
  • CONTACT ME
  • FAVORITE LINKS

© Copyright 2025 | All Rights Reserved

Jupiter's Ring with the Webb Telescope