Showing posts with label Dark Energy. Show all posts
Showing posts with label Dark Energy. Show all posts

You Won't Believe What James Webb's Images Reveal About Jupiter's Auroras!

James Webb’s Jupiter Images Showcase Auroras, Hazes


With giant storms, powerful winds, auroras, and extreme temperature and pressure conditions, Jupiter has a lot going on. Now, the NASA/ESA/CSA James Webb Space Telescope has captured new images of the planet. Webb’s Jupiter observations will give scientists even more clues to Jupiter’s inner life.



 With giant storms, effective winds, auroras, and intense temperature and pressure conditions, Jupiter has a lot going on. Now, NASA’s James Webb Space Telescope has captured new pictures of the planet. Webb’s Jupiter observations will provide scientists even more clues to Jupiter’s internal life.


“We hadn’t really expected it to be this good, to be honest,” stated planetary astronomer Imke de Pater, professor emerita of the University of California, Berkeley. De Pater led the observations of Jupiter with Thierry Fouchet, a professor at the Paris Observatory, as section of an worldwide collaboration for Webb’s Early Release Science program. Webb itself is an worldwide mission led via NASA with its companions ESA (European Space Agency) and CSA (Canadian Space Agency). “It’s actually remarkable that we can see details on Jupiter collectively with its rings, tiny satellites, and even galaxies in one image,” she said.


The two pictures come from the observatory’s Near-Infrared Camera (NIRCam), which has three specialised infrared filters that exhibit details of the planet. Since infrared light is invisible to the human eye, the light has been mapped onto the visible spectrum. Generally, the longest wavelengths appear redder and the shortest wavelengths are proven as extra blue. Scientists collaborated with citizen scientist Judy Schmidt to translate the Webb information into images.


In the standalone view of Jupiter, created from a composite of quite a few pics from Webb, auroras extend to excessive altitudes above each the northern and southern poles of Jupiter. The auroras shine in a filter that is mapped to redder colors, which additionally highlights light reflected from lower clouds and higher hazes. A extraordinary filter, mapped to yellows and greens, indicates hazes swirling around the northern and southern poles. A 1/3 filter, mapped to blues, showcases light that is mirrored from a deeper major cloud.


The Great Red Spot, a well-known storm so huge it ought to swallow Earth, seems white in these views, as do other clouds, due to the fact they are reflecting a lot of sunlight.


“The brightness here indicates excessive altitude – so the Great Red Spot has high-altitude hazes, as does the equatorial region,” stated Heidi Hammel, Webb interdisciplinary scientist for solar system observations and vice president for science at AURA. “The numerous bright white ‘spots’ and ‘streaks’ are probably very high-altitude cloud tops of condensed convective storms.” By contrast, dark ribbons north of the equatorial region have little cloud cover.   


Webb NIRCam composite image from two filters – F212N (orange) and F335M (cyan) – of Jupiter system, unlabeled (top) and labeled (bottom). Credit: NASA, ESA, CSA, Jupiter ERS Team; image processing by Ricardo Hueso (UPV/EHU) and Judy Schmidt.





In a wide-field view, Webb sees Jupiter with its faint rings, which are a million instances fainter than the planet, and two tiny moons known as Amalthea and Adrastea. The fuzzy spots in the lower background are probably galaxies “photobombing” this Jovian view.


“This one picture sums up the science of our Jupiter device program, which research the dynamics and chemistry of Jupiter itself, its rings, and its satellite system,” Fouchet said. Researchers have already begun examining Webb statistics to get new science consequences about our solar system’s largest planet.  


Data from telescopes like Webb doesn’t arrive on Earth neatly packaged. Instead, it consists of statistics about the brightness of the light on Webb’s detectors. This data arrives at the Space Telescope Science Institute (STScI), Webb’s mission and science operations center, as raw data. STScI procedures the information into calibrated documents for scientific analysis and gives you it to the Mikulski Archive for Space Telescopes for dissemination. Scientists then translate that statistics into pictures like these all through the course of their research (here’s a podcast about that). While a crew at STScI formally strategies Webb photos for respectable release, non-professional astronomers recognized as citizen scientists regularly dive into the public statistics archive to retrieve and method images, too.


Judy Schmidt of Modesto California, a longtime photograph processor in the citizen science community, processed these new views of Jupiter. For the photo that consists of the tiny satellites, she collaborated with Ricardo Hueso, a co-investigator on these observations, who research planetary atmospheres at the University of the Basque Country in Spain.


Schmidt has no formal instructional background in astronomy. But 10 years ago, an ESA contest sparked her insatiable ardour for picture processing. The “Hubble’s Hidden Treasures” competition invited the public to discover new gems in Hubble data. Out of almost 3,000 submissions, Schmidt took home third place for an photograph of a newborn star.


Since the ESA contest, she has been working on Hubble and different telescope statistics as a hobby. “Something about it simply caught with me, and I can’t stop,” she said. “I should spend hours and hours each day.”


Her love of astronomy photographs led her to process pictures of nebulae, globular clusters, stellar nurseries, and greater astounding cosmic objects. Her guiding philosophy is: “I strive to get it to seem natural, even if it’s now not something shut to what your eye can see.” These snap shots have caught the interest of expert scientists, together with Hammel, who before collaborated with Schmidt on refining Hubble photos of comet Shoemaker-Levy 9’s Jupiter impact.



Jupiter dominates the black background of space. The planet is striated with swirling horizontal stripes of neon turquoise, periwinkle, light pink, and cream. The stripes engage and combine at their edges like cream in coffee. Along each of the poles, the planet glows in turquoise. Bright orange auroras glow simply above the planet’s floor at each poles.

Webb NIRCam composite picture of Jupiter from three filters – F360M (red), F212N (yellow-green), and F150W2 (cyan) – and alignment due to the planet’s rotation. Credit: NASA, ESA, CSA, Jupiter ERS Team; photo processing with the aid of Judy Schmidt.

With giant storms, effective winds, auroras, and severe temperature and strain conditions, Jupiter has a lot going on. Now, NASA’s James Webb Space Telescope has captured new pics of the planet. Webb’s Jupiter observations will provide scientists even greater clues to Jupiter’s internal life.


“We hadn’t definitely anticipated it to be this good, to be honest,” stated planetary astronomer Imke de Pater, professor emerita of the University of California, Berkeley. De Pater led the observations of Jupiter with Thierry Fouchet, a professor at the Paris Observatory, as section of an global collaboration for Webb’s Early Release Science program. Webb itself is an global mission led by way of NASA with its companions ESA (European Space Agency) and CSA (Canadian Space Agency). “It’s really top notch that we can see details on Jupiter collectively with its rings, tiny satellites, and even galaxies in one image,” she said.


The two pictures come from the observatory’s Near-Infrared Camera (NIRCam), which has three specialised infrared filters that exhibit details of the planet. Since infrared light is invisible to the human eye, the light has been mapped onto the seen spectrum. Generally, the longest wavelengths show up redder and the shortest wavelengths are proven as greater blue. Scientists collaborated with citizen scientist Judy Schmidt to translate the Webb statistics into images.


In the standalone view of Jupiter, created from a composite of numerous photographs from Webb, auroras prolong to excessive altitudes above each the northern and southern poles of Jupiter. The auroras shine in a filter that is mapped to redder colors, which additionally highlights light reflected from decrease clouds and higher hazes. A distinct filter, mapped to yellows and greens, suggests hazes swirling round the northern and southern poles. A third filter, mapped to blues, showcases light that is reflected from a deeper major cloud.


The Great Red Spot, a well-known storm so large it ought to swallow Earth, seems white in these views, as do different clouds, because they are reflecting a lot of sunlight.


“The brightness right here shows excessive altitude – so the Great Red Spot has high-altitude hazes, as does the equatorial region,” stated Heidi Hammel, Webb interdisciplinary scientist for solar system observations and vice president for science at AURA. “The numerous brilliant white ‘spots’ and ‘streaks’ are probable very high-altitude cloud tops of condensed convective storms.” By contrast, darkish ribbons north of the equatorial location have little cloud cover.


A wide-field view showcases Jupiter in the higher proper quadrant. The planet’s swirling horizontal stripes are rendered in blues, browns, and cream. Electric blue auroras glow above Jupiter’s north and south poles. A white glow emanates out from the auroras. Along the planet’s equator, rings glow in a faint white. At the some distance left part of the rings, a moon seems as a tiny white dot. Slightly similarly to the left, every other moon glows with tiny white diffraction spikes. The relaxation of the photograph is the blackness of space, with faintly glowing white galaxies in the distance.


A wide-field view showcases Jupiter in the higher proper quadrant. The planet’s swirling horizontal stripes are rendered in blues, browns, and cream. Electric blue auroras glow above Jupiter’s north and south poles. A white glow emanates out from the auroras. Along the planet’s equator, rings glow in a faint white. At the a long way left area of the rings, a moon seems as a tiny white dot. Slightly similarly to the left, some other moon glows with tiny white diffraction spikes. The relaxation of the picture is the blackness of space, with faintly glowing white galaxies in the distance.

Webb NIRCam composite photograph from two filters – F212N (orange) and F335M (cyan) – of Jupiter system, unlabeled (top) and labeled (bottom). Credit: NASA, ESA, CSA, Jupiter ERS Team; picture processing by means of Ricardo Hueso (UPV/EHU) and Judy Schmidt.

In a wide-field view, Webb sees Jupiter with its faint rings, which are a million instances fainter than the planet, and two tiny moons known as Amalthea and Adrastea. The fuzzy spots in the lower background are probably galaxies “photobombing” this Jovian view.


“This one picture sums up the science of our Jupiter system program, which research the dynamics and chemistry of Jupiter itself, its rings, and its satellite system,” Fouchet said. Researchers have already begun inspecting Webb records to get new science consequences about our solar system’s biggest planet.


Data from telescopes like Webb doesn’t arrive on Earth neatly packaged. Instead, it consists of facts about the brightness of the mild on Webb’s detectors. This statistics arrives at the Space Telescope Science Institute (STScI), Webb’s mission and science operations center, as raw data. STScI techniques the statistics into calibrated archives for scientific evaluation and provides it to the Mikulski Archive for Space Telescopes for dissemination. Scientists then translate that statistics into pictures like these throughout the direction of their lookup (here’s a podcast about that). While a group at STScI formally strategies Webb pictures for respectable release, non-professional astronomers recognized as citizen scientists regularly dive into the public statistics archive to retrieve and process images, too.


Judy Schmidt of Modesto California, a longtime photograph processor in the citizen science community, processed these new views of Jupiter. For the picture that consists of the tiny satellites, she collaborated with Ricardo Hueso, a co-investigator on these observations, who research planetary atmospheres at the University of the Basque Country in Spain.


At the left, a seated photograph of Judy Schmidt on a bench in opposition to a backdrop of inexperienced leaves. On the right, an astronomical photo of a from NASA’s Hubble Space Telescope indicates the butterfly-like planetary nebula in green, yellow, and blue, in opposition to the black backdrop of space.

Citizen scientist Judy Schmidt of Modesto, California, procedures astronomical pics from NASA spacecraft, such as the Hubble Space Telescope. An instance of her work is Minkowski’s Butterfly, right, a planetary nebula in the course of the constellation Ophiuchus.

Schmidt has no formal educational history in astronomy. But 10 years ago, an ESA contest sparked her insatiable ardour for photograph processing. The “Hubble’s Hidden Treasures” opposition invited the public to locate new gemstones in Hubble data. Out of almost 3,000 submissions, Schmidt took home third place for an picture of a newborn star.


Since the ESA contest, she has been working on Hubble and different telescope information as a hobby. “Something about it simply caught with me, and I can’t stop,” she said. “I should spend hours and hours each and every day.”


Her love of astronomy photos led her to method photos of nebulae, globular clusters, stellar nurseries, and greater remarkable cosmic objects. Her guiding philosophy is: “I strive to get it to seem natural, even if it’s no longer something shut to what your eye can see.” These pics have caught the interest of expert scientists, which include Hammel, who in the past collaborated with Schmidt on refining Hubble pics of comet Shoemaker-Levy 9’s Jupiter impact.


Jupiter is clearly more difficult to work with than extra far-off cosmic wonders, Schmidt says, due to the fact of how speedy it rotates. Combining a stack of photos into one view can be difficult when Jupiter’s different elements have turned around in the course of the time that the pictures had been taken and are no longer aligned. Sometimes she has to digitally make changes to stack the photographs in a way that makes sense.


Webb will supply observations about each section of cosmic history, however if Schmidt had to pick out one element to be excited about, it would be extra Webb views of star-forming regions. In particular, she is interested by way of younger stars that produce effective jets in small nebula patches known as Herbig–Haro objects. “I’m certainly searching ahead to seeing these bizarre and exquisite baby stars blowing holes into nebula's,” she said.


– Elizabeth Landau, NASA Headquarters      




You Won't Believe What the Hubble Space Telescope Discovered!

The Most Amazing Hubble Space Telescope Discoveries






Dark Matter

Dark matter, which is invisible however displays its existence by way of gravity, makes up roughly 23 percentage of the universe. By examining the distortions brought about via dark matter's gravity on light from far away galaxies, Hubble helped assemble the greatest scale 3-d maps scientists have of where dark matter is dispensed in the universe. These helped exhibit the clumpiness of dark matter has curiously elevated over time, displaying it exhibits ordinary gravity, as opposed to something else. Better perception how dark matter behaves should assist scientists determine out what it truly is.






Pluto and its kin

Hubble observed two new moons of Pluto, dubbed Nix and Hydra, and currently mapped seasonal adjustments to its surface. Also, through assisting to find out the mass of Eris, which is 27 percentage extra large than Pluto, the attention that comparable bodies would possibly lurk in the Kuiper Belt and beyond helped demote Pluto and comparable objects to dwarf planet status. Future observations of such far away bodies should assist scientists higher recognize how the solar system evolved.






Dark Energy

By figuring out the rate at which the universe is expanding, Hubble might also have helped resolve the mystery of how historical the universe is, however it all of sudden grew to become up an even extra profound one — the reality that the charge of the universe's growth is no longer slowing down or even constant, however is inexplicably accelerating. The perpetrator in the back of this, dubbed dark energy, is now concept to make up seventy four percentage of the blended mass-energy in the whole universe, and it stays an utter enigma. Solving this mystery may want to revolutionize physics as we recognize it.





Black Holes

Hubble determined that super-massive Black holes likely lurk in each and every galaxy that has a bulge of stars at its center. The very tight hyperlink between the size of these central black holes and the size of their galaxies Hubble noticed additionally confirmed that each evolve in concert, shedding light on how the universe has evolved over time.






Age of the Universe  →

Before Hubble, it was once enormously unsure as to when the universe was born, which ought to lead to insufferable paradoxes, such as the laughable opportunity that stars astronomers detected had been older than our universe. By substantially narrowing down the rate at which the universe is expanding, Hubble helped refine estimates of the universe's age down to roughly 13.75 billion years, a end result that no longer solely performs a position in modeling how our universe has advanced over time, however additionally in our appreciation different apparently unrelated cosmic parameters, such as the mass of neutrinos. Stars that are billions of light years away naturally took billions of years to get here.





Extrasolar Organic Matter

NASA's Hubble Space Telescope has made the first detection ever of an organic molecule in the surroundings of a Jupiter-sized planet orbiting some other star. This step forward is an necessary step in finally figuring out signs and symptoms of existence on a planet outside our solar system. The molecule discovered via Hubble is methane, which beneath the proper occasions can play a key function in prebiotic chemistry - the chemical reactions viewed crucial to structure existence as we recognize it. This illustration depicts the extrasolar planet HD 189733b with its parent star peeking above its top edge.


Gamma ray bursts

Gamma ray bursts, which frequently release more energy in a few of seconds than the sun would in a billion years, are the largest explosions known to occur in space. The origin of these explosions remained a mystery for many years. These bursts are often found in galaxies that were low in metallicity, or low in elements heavier than helium, and were actively generating stars, a finding made possible in part by Hubble. This showed that huge stars crashed to produce black holes, which is how gamma ray bursts originated. Low-metallicity stars are more likely to maintain their mass and form black holes, and active star-forming galaxies are frequently rich in big stars that collapse swiftly.The basis of life on Earth is dust, which is also essential to the universe's operation.

The beginning of time

Before Hubble, the age of the universe was mostly unknown, which might result in absurd paradoxes like the absurd notion that stars that astronomers had found were older than the cosmos itself. Hubble contributed significantly to the reduction of the universe's expansion rate, which allowed for the reworking of universe age estimates to approximately 13.75 billion years. This result is important for understanding the mass of neutrinos and other seemingly unrelated cosmic parameters, as well as for modeling the evolution of our universe over time.

Planets, planets everywhere

In July 1994, just seven months after the first shuttle servicing mission, fragments of a comet torn apart by Jupiter's gravity slammed into the giant planet's atmosphere, blasting world-size blemishes in the cloud tops that were easily visible to amateur and professional astronomers alike.

However, the Hubble Space Telescope produced the sharpest, most breathtaking photos, offering a compelling example of the observatory's capacity to offer flyby-class views of other planets in the solar system in addition to Earth.


Hubble has been used to track Venusian clouds and dust storms on Mars, to study the churning atmospheres of Jupiter and Saturn, to monitor Saturn's rings and auroral displays on both planets and to keep tabs on Uranus and Neptune and their many moons. More recently, Hubble has been extensively used to map the moons of Pluto and help find post-flyby targets in the remote Kuiper Belt for NASA's Pluto-bound New Horizons spacecraft.

Getting spectacular images of Earth's neighbors was not a surprise. But actually imaging a planet orbiting another star -- a feat Hubble achieved in November 2008 -- and spectroscopically examining the atmospheres of several other extra-solar planets, are considered major achievements.

"When Hubble was launched, we didn't even have evidence there were planets around other stars," Riess said. "Not only have those been found, Hubble has helped characterize those. It's truly remarkable."

James Webb Space Telescope

James Webb Space Telescope


NASA's much awaited James Webb Space Telescope (JWST), which replaced the Hubble Space Telescope, was launched on December 25, 2021. The project incurred substantial cost overruns; the original $0.5 billion budget was later expanded to almost $10 billion. Work on the project started in 1996.

JWST reached a major mission milestone on January 8, 2022, when it achieved complete deployment. 

 The telescope reached its designated destination on January 24, positioning itself to commence its groundbreaking observations of the universe. The deployment and arrival at its destination are critical steps in ensuring the functionality and success of the mission, allowing JWST to contribute to our understanding of the cosmos. it arrived at its destination.On March 16, 2022, it focused all its mirrors on a single star for the first time.

On July 12, 2022, NASA released JWST's initial set of full-resolution science images, featuring the Carina Nebula, the Eight-Burst Nebula, Stephan’s Quintet (a group of galaxies), and a galaxy cluster. Additionally, NASA presented an analysis of the composition of the exoplanet WASP-96b and discreetly unveiled an image of Jupiter.

Shortly after, researchers identified the oldest galaxy ever discovered in JWST data. This galaxy dates back to just 300 million years after the big bang, making it 100 million years older than the previously identified oldest galaxy, GN-z11.


How does the James Webb Space Telescope (JWST) work?

The James Webb Space Telescope (JWST) operates similarly to traditional telescopes by capturing and focusing light to extend our view of the cosmos. However, it diverges by observing in the infrared part of the electromagnetic spectrum, detecting heat instead of visible light like our eyes. This capability, similar to a night vision camera, allows JWST to study cooler and more distant celestial objects. Its significant size enhances light collection, aiding in the observation of fainter and smaller entities. Being in space eliminates atmospheric interference, providing clearer and more detailed data, making JWST a powerful tool for exploring the universe.



How far can the James Webb Space Telescope "see"?

Why is it that galaxies in the early universe are visible to the JWST because of this far-off view? Something is moving away from us faster the further distant it is in the universe. Redshift, which is experienced by fast objects, causes the item to appear redder. Something that is extremely far away eventually turns redder than red and enters the infrared spectrum. JWST's ability to view farther than previous telescopes is due to this. The oldest items are those that are farthest away since light takes time to reach us. Time travel is possible with telescopes like Hubble and JWST. Because JWST operates in the infrared, it can see farther than Hubble and almost all the way back to 13.7 billion years ago, when the cosmos first began.



The James Webb Space Telescope is currently where?

The L2 Lagrange point is the location around which the JWST revolves. This is 1.5 million kilometers beyond Earth so that Earth's heat will not obstruct its view. Because L2 is a gravity well, we don't need as much fuel to maintain it there as we would if it were floating aimlessly in space. The fact that L2 circles the sun with us is also helpful because it means we can always talk to each other and download pictures from the telescope.