Great Red Spot Archives

October 15, 2024October 15, 2024 by Mark Thompson

Jupiter’s Great Red Spot Jiggles

Jupiter is well known for its Great Red Spot, a feature that was discovered by Galileo over 400 years ago! Astronomers have been tracking the size and shape of it for over a century but the most accurate measurements have come from the Hubble Space Telescope. Every time Earth and Jupiter are at their closest, Hubble takes a series of images and it’s these images that have detected that the spot jiggles from day to day. Not only does it change size but length and width too leaving astronomers baffled.

October 10, 2024October 10, 2024 by Mark Thompson

NASA Reveals the Mind-Boggling Scale of Hurricane Milton seen from Space

We often talk about Jupiter’s Great Red Spot quite candidly but forget that hurricanes can be devastating, destructive forces here on Earth. Hurricane Milton is a reminder of the awful effects here on Earth. It came out of nowhere, appearing in the Gulf of Mexico as a tropical storm and two days later was a category 5 hurricane. It tracked a course and hit land near Siesta Key in Florida. NASA have been tracking the storm from space, recording high sea temperatures that fuelled the storm allowing it to grow. Images have been released from the ISS showing the sheer enormity of the hurricane.

July 16, 2024July 16, 2024 by Matt Williams

New Images From Webb Reveal Jupiter's Complex Atmosphere

New observations of the Great Red Spot on Jupiter have revealed that the planet’s atmosphere above and around the infamous storm is surprisingly interesting and active. Credit: ESA

The James Webb Space Telescope (JWST) has accomplished some spectacular feats since it began operations in 2021. Thanks to its sensitivity in the near- and mid-infrared wavelengths, it can take detailed images of cooler objects and reveal things that would otherwise go unnoticed. This includes the iconic image Webb took of Jupiter in August 2022, which showed the planet’s atmospheric features (including its polar aurorae and Great Red Spot) in a new light. Using Webb, a team of European astronomers recently observed the region above the Great Red Spot and discovered previously unseen features.

March 15, 2024March 15, 2024 by Nancy Atkinson

It's Time for Jupiter's Annual Checkup by Hubble

Jupiter as seen by the Hubble Space Telescope on January 5 and 6, 2024. Credit: NASA/ESA/Space Telescope Science Institute.

Each year, the Hubble Space Telescope focuses on the giant planets in our Solar System when they’re near the closest point to Earth, which means they’ll be large and bright in the sky. Jupiter had its photos taken on January 5-6th, 2024, showing off both sides of the planet. Hubble was looking for storm activity and changes in Jupiter’s atmosphere.

November 6, 2021November 6, 2021 by Andy Tomaswick

Juno Peers Beneath Jupiter’s Clouds to Reveal its Complex Atmosphere

Many papers are usually released at once for big space exploration missions. Usually, that happens when an entire batch of data has been analyzed. The most recent set of papers is from Juno’s explorations of Jupiter’s atmosphere. With this data dump, scientists now have the first 3D map of the atmosphere of the solar system’s largest planet.

October 10, 2021October 7, 2021 by Paul M. Sutter

Wind Speeds in Jupiter’s Great Red Spot are Picking up

The Great Red Spot of Jupiter – the largest storm in the solar system – has been raging for centuries. Over the past 100 years however, the cyclone has been dwindling, but recent observations with Hubble show that the wind speeds may be picking up again. Is this just temporary, or will the storm return to its former glory?

April 2, 2021April 1, 2021 by Paul M. Sutter

Jupiter’s Great Red Spot has a Dark Secret. It Feeds on Smaller Storms

JunoCam captured these images of the Great Red Spot during the July 2017 fly-by of Jupiter. The composite images provide a richly-detailed look at the storm. Image: Sánchez-Lavega et al. 2018; composed by G. Eichstadt and J. Cowart

Jupiter’s Great Red Spot – the largest and most powerful of all the storms in the solar system – has been churning for hundred of years. Recently dozens of smaller storms have slammed into the Red Spot. Those smaller storms only caused superficial damage – and may have ended up feeding the beast itself.

September 28, 2020September 28, 2020 by Evan Gough

The Newest Picture of Jupiter and Europa Captured by Hubble

This latest image of Jupiter, taken by the NASA/ESA Hubble Space Telescope on 25 August 2020, was captured when the planet was 653 million kilometres from Earth. Hubble’s sharp view is giving researchers an updated weather report on the monster planet’s turbulent atmosphere, including a remarkable new storm brewing, and a cousin of the Great Red Spot changing colour — again. The new image also features Jupiter’s icy moon Europa. Credit: NASA, ESA, A. Simon (Goddard Space Flight Center), and M. H. Wong (University of California, Berkeley) and the OPAL team.

The venerable Hubble Space Telescope has given us another gorgeous picture of Jupiter and its moon Europa. The incredibly sharp image was captured on August 25th, and shows some of the stunning detail in Jupiter’s stormy atmosphere. Hidden in all that stormy activity is something new: a bright white storm plume travelling at about 560 km/h (350 mp/h).

May 12, 2020May 12, 2020 by Evan Gough

Spacecraft and Ground Telescopes Work Together to Give us Stunning New Pictures of Jupiter

A Hubble Telescope image of Jupiter's Great Red Spot. A new effort is combining Hubble, Juno, and Gemini Observatory images in an effort to understand Jupiter's stormy behaviour. Image Credit: NASA, ESA, and M.H. Wong (UC Berkeley) and team

It’s difficult to imagine the magnitude of storms on Jupiter. The gas giant’s most visible atmospheric feature, the Great Red Spot, may be getting smaller, but one hundred years ago, it was about 40,000 km (25,000 miles) in diameter, or three times Earth’s diameter.

Jupiter’s atmosphere also features thunderheads that are five times taller than Earth’s: a whopping 64 km (40 miles) from bottom to top. Its atmosphere is not entirely understood, though NASA’s Juno spacecraft is advancing our understanding. The planet may contain strange things like a layer of liquid metallic hydrogen.

Now a group of scientists are combining the power of the Hubble Space Telescope, the Gemini Observatory and the Juno spacecraft to probe Jupiter’s atmosphere, and the awe-inspiring storms that spawn there.

March 7, 2020March 7, 2020 by Evan Gough

Artwork Inspired by Jupiter’s Great Red Spot

Artist Mik Petter created this unique, digital artwork using data from the JunoCam imager on NASA’s Juno spacecraft. The original JunoCam image was taken on July 10, 2017, at 10:10 p.m. EDT. Image Credit: NASA/JPL/Mik Petter

Artist Mik Petter has created a vibrant new piece of art based on JunoCam images of Jupiter’s Great Red Spot (GRS). The piece makes use of fractals, which are recursive mathematical creations; increasingly complex patterns that are similar to each other, yet never exactly the same.