never before seen images taken by the James-Webb telescope

We recently celebrated the 45th anniversary of the Voyager probes who especially gave us beautiful pictures of Jupiter and the months. In the early 1990s, Jupiter could also be observed using ground-based instruments, such asInfrared Telescope Facility (IRTF) and of course Hubble in space to get close-up images of Jupiter as captured in time the impact of comet Shoemaker-Levy 9.

It’s the turn of the James Webb Space Telescope to delight us in the images of Jupiter which it takes in the realm ofinfrared and that image processing techniques allow us to see the rendered error colors.

We can convince ourselves of this with the latest pictures posted on the internet by NASA and theESA and related to observations of Jupiter in the infrared on July 27, 2022 as part of a demonstration program Early Science together led by a astrophysicist from Paris Observatory – PSL, Thierry Fouchet, works at Lesia (Laboratory for space studies and instrumentation in astrophysics).

Comments from this astrophysicist as well as from other program directors can be found on the Paris Observatory – PSL website. Early Science, the famous planetary scientist Imke de Pater, professor emeritus at the University of California at Berkeley. He is also known for leading the team with a telescope Keck which describes the impact of the comet Shoes-Levy 9 with Jupiter, just for her introductory treatise on planetology with his colleague Jack J. Lissauer.

“We’ve never seen Jupiter like this! »

So for the planetologist: ” We’ve never seen Jupiter like this. Everything is very nice. We never expected such a beautiful picture, to be honest. It is amazing that we can see the details of Jupiter with its rings, small satellites and more galaxies in an image. He added: Although we have already observed many features of Jupiter, the infrared access offered by JWST opens up a new perspective. The combination of images and spectra at near and mid-infrared wavelengths will allow us to study the interaction between the dynamics ofatmospherethe chemical composition and the vertical temperature structure of and above the large red area and in the auroral regions. »

Still on Lesia’s website, we find the following comment from Thierry Fouchet about the picture above: This image illustrates the sensitivity and dynamic range of the instrument NIR Cam at JWST. He revealed the wavesthey whirlwinds and the bright bubbles in Jupiter’s atmosphere and together give a picture of the dark ring system, a million times slower than the planet, as well as the moons Amalthea and Adrastea, which are about 200 and 20 kilometers in diameter each. . This image alone describes the scientific goal of our program Jovianwhich studies the dynamics and chemistry of the planet itself, its rings and its system of satellites. »

And now Jupiter in the eyes of the James-Webb Space Telescope

Article on Xavier Demeersmann published on 07/18/2022

The James-Webb Space Telescope doesn’t just examine celestial objects millions or billions of miles awaylight yearshe also aimed at his big glass of Jupiter and its potentially habitable moon, Europa. Here too, the result exceeded the expectations of astronomers.

the early pictures by James-Webb unveiled on July 12, and effectively inaugurating the scientific campaign of the largest and most powerful space telescope ever launched, amazed us with their discoveries on Tuesday. There is so much to say about each of them, from the farthest part ofuniverse again and the deepest image of the Universe ever taken » -, in planetary nebula from the southern ring, passing through a nebula with surprising “reliefs” of details, and not to mention the connected galaxies of Stefan’s Quintet, where one can even see. star individual… In short, iconic images. An impressive leap forward in details obtained thanks to its instruments for cosmic objects distant from several tens of thousands of light-years… to several billion light-years. and “This is just the beginning! » (This is just the beginning), repeated the astrophysicists participating in their live presentations at NASA.

And now, Jupiter!

Another surprise and beauty registered on July 12 in the Mikulski archive of STSI (Space Telescope Science Institute) as part of the James-Webb commissioning, a familiar and nearby object: Jupiter. Astronomers are delighted and do not hide their admiration for the quality of the images and data obtained.

Curious to see what it would be like to observe such a close and bright celestial body, they were not disappointed: these photos of the world’s largest planet. Solar system in fact reveals its very smart rings (NIRCam image), the moon Europa and the small Metis and Thebes. “The images of Jupiter in narrowband filters are designed to provide beautiful images of the entire disk of the planet, but the wealth of additional information about the fainter objects (Métis, Thebes, the main ring , they. fog) in these images taken with almost a minute exposure is a pleasant surprise”said John Stansberry, who maintains the NIRCam instrument.

As it is concerned Europeone of Jupiter’s four Galilean satellites (visible in binoculars), we can also see its shadow pointed at Jupiter, just to the left of the famous Great Red Point. This potentially habitable satellite that shelters the entire world’s oceans under a thick layer of ice will be a privileged target for astronomers hoping to explore and study it. plumes of water vapor with the space telescope. “I think that’s just one of the coolest things we can do with this telescope in the solar system.”said Stefanie Milam, planetary sciences researcher at GSFC (Goddard Space Flight Center) from NASA.

James Webb unfinished to amaze us and the scientific images of the Universe will rain for our greatest pleasure, showing us structures and objects that we have never seen before.

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