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#jwst

23 posts19 participants0 posts today
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Starry Time Podcast

You know we love 1) Neptune (love them nep-toots) & Aurora, so this new image from #JWST is *perfection*

If you too love Neptune, check out our episode on the Nereids, where we explore some of Neptune's moons: starrytimepodcast.podbean.com/

If you love aurora, check out our episode on the science & lore of Earth's aurora: starrytimepodcast.podbean.com/

📷 :science.nasa.gov/missions/webb

From source in toot: At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope. At the right, that image is combined with data from NASA’s James Webb Space Telescope. The cyan splotches, which represent auroral activity, and white clouds, are data from Webb’s Near-Infrared Spectrograph (NIRSpec), overlayed on top of the full image of the planet from Hubble’s Wide Field Camera 3.
#Neptune#Neptoots#Webb
Continued thread
Public
earthling

Herbig-Haro 49/50 (Spitzer and Webb Images Side-by-Side)

This side-by-side comparison shows a Spitzer Space Telescope Infrared Array Camera image of HH 49/50 (left) versus a Webb image of the same object (right) using the NIRCam (Near-infrared Camera) instrument and MIRI (Mid-infrared Instrument).

science.nasa.gov/missions/webb

#astrophotography
#Spitzer
#JWST
#NASA

The Webb image shows intricate details of the heated gas and dust as the protostellar jet slams into the material. Webb also resolves the “fuzzy” object located at the tip of the outflow into a distant spiral galaxy. The Spitzer image shows 3.6-micron light in blue, the 4.5-micron in green, and the 8.0-micron in red (IRAC1, IRAC2, IRAC4). In the Webb image, blue represents light at 2.0-microns (F200W), cyan represents light at 3.3-microns (F335M), green is 4.4-microns (F444W), orange is 4.7-microns (F470N), and red is 7.7-microns (F770W). NASA, ESA, CSA, STScI, NASA-JPL, SSC
Public
Flipboard Science Desk

At last, auroras have been spotted on every planet in the solar system, thanks to the James Webb Space Telescope. The JWST’s powerful near-infrared spectrometer recently revealed Neptune’s elusive aurora in all its gently glowing glory.

@ScienceAlert has more:

flip.it/I_JI9r

ScienceAlert · First-Ever Images of Neptune's Eerie Glow Finally Reveal Missing AuroraThe most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.
#Science#Space#JWST
Public
CosmicRami

Updated diagram version for #SciComm usage!

Have stitched together the annotated image, along with that excellent diagram from The Planetary Society.

Someone said to me last night that this looks like a half-cut avocado, and now I cannot unsee it lolololol

Such a great image, and another fine example of how physics allows us to see around corners!

📸 ESA/Webb, NASA & CSA, G. Mahler & Planetary Society

Three tile image with two images in top row. Top row: In the centre is an elliptical galaxy, seen as an oval-shaped glow around a small bright core. Around this is wrapped a broad band of light, appearing like a spiral galaxy stretched and warped into a ring, with bright blue lines drawn through it where the spiral arms have been stretched into circles. A few distant objects are visible around the ring on a black background. The image has been annotated to point out the foreground galaxy as well as the background spiral. In the bottom row: Diagram showing the JWST on one side with light being focused into it from a distant galaxy, via an intermediate galaxy. The Galaxy appears as a ring as light scattered in all directions is delivered to the focal point.
#JWST#Astrodon#Science
Public
Bob Tregilus

Wow, a stunning image by JWST of an Einstein ring, a more distant galaxy's light being bent by gravitational lensing around a much closer galaxy. The closer galaxy is an elliptical and the much more distant galaxy, which in this case is perfectly aligned behind the foreground elliptical thereby forming the ring, is a spiral galaxy. I think this beautiful image is going to be my desktop for awhile. Just stunning!

esa.int/ESA_Multimedia/Images/

www.esa.intWebb spies a spiral through a cosmic lensSpying a spiral through a cosmic lens (Webb telescope image)
#Astronomy#AstroPhysics#Universe
Public
Massimo Luciani

#astronomy #cosmology #JWST #galaxies #reionization

An article published in the journal "Nature" reports the results of observations of the primordial galaxy JADES-GS-z13-1. A team of researchers used the James Webb Space Telescope to examine this galaxy, estimating that it dates back to about 330 million years after the Big Bang. The surprise came from the so-called Lyman-alpha radiation because it was much stronger than expected from a galaxy of that era.

english.tachyonbeam.com/2025/0

english.tachyonbeam.comAn intense primordial light from the dark ages of the universeAn article published in the journal 'Nature' reports the results of observations of the primordial galaxy cataloged as JADES-GS-z13-1. A team of researchers...
Public
CosmicRami

Whooooaaaa! The new #JWST image is so good! So much physics going on — physics Einstein himself thought about!

This is called an Einstein Ring. When a massive foreground galaxy (in this case, an elliptical galaxy) warps the space-time around it, light from behind it bends in our direction.

The JWST caught this fantastic example, where the background spiral galaxy is getting warped into our view. It appears as a ring, but we can see its structures like its spiral arms, gas features and star clusters.

Incredible science happening here!

📸 ESA/Webb/NASA/CSA/G. Mahler

I added the annotations in the second image.

In the centre is an elliptical galaxy, seen as an oval-shaped glow around a small bright core. Around this is wrapped a broad band of light, appearing like a spiral galaxy stretched and warped into a ring, with bright blue lines drawn through it where the spiral arms have been stretched into circles. A few distant objects are visible around the ring on a black background.
In the centre is an elliptical galaxy, seen as an oval-shaped glow around a small bright core. Around this is wrapped a broad band of light, appearing like a spiral galaxy stretched and warped into a ring, with bright blue lines drawn through it where the spiral arms have been stretched into circles. A few distant objects are visible around the ring on a black background. The image has been annotated to point out the foreground galaxy as well as the background spiral.
#astronomy#astrophysics#generalrelativity
Public
Bob Tregilus

Wow wee, wow wow! JWST just keeps raising more questions than it's answering--& that's a good thing! JWST discovered that the toddler galaxy, GS-z13-1--which existed just 330 million years after the Big Bang--had ionized the ancestral neutral hydrogen that surrounded it allowing its light to transverse the universe & reach JWST. According to present hypothesis, that's incredibly early for a galaxy to have done that. esa.int/Science_Exploration/Sp

www.esa.intWebb sees galaxy mysteriously clearing fog of early UniverseUsing the unique infrared sensitivity of the NASA/ESA/CSA James Webb Space Telescope, researchers can examine ancient galaxies to probe secrets of the early Universe. Now, an international team of astronomers has identified bright hydrogen emission from a galaxy in an unexpectedly early time in the Universe’s history. The surprise finding is challenging researchers to explain how this light could have pierced the thick fog of neutral hydrogen that filled space at that time.
#Astronomy#AstroPhysics#Cosmos
Public
Our Fascinating Universe

JWST has captured Neptune’s auroras for the first time! The most distant planet from the Sun has a magnetic field tilted at a strange 47-degree angle, causing auroras away from its poles. Webb also found Neptune’s upper atmosphere has cooled by hundreds of degrees—likely why its auroras remained undetected for so long.

Credit: NASA, ESA, CSA, STScI
#nasa #space #universe #news #jwst #webb #space #astro #physics #science #astronomy #astrophysics

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65dBnoise

#JWST Captures Neptune’s Auroras For First Time

using the ESA provided NIRSpec instrument, but you'll have to dig deep into NASA's website to find those "details". The fine print does mention ESA/CSA as partners of NASA, but no specifics.

science.nasa.gov/missions/webb

NIRSpec:
science.nasa.gov/mission/webb/

A two-panel horizontal image. On the left is Neptune, as seen from the Hubble Space Telescope. It is a blue circle, tilted about 25 degrees to the left. There are white smudges at 7 o’clock and just above 5 o’clock. At the right is an opposing view of the planet, using data from Hubble and Webb. It is a multi-hued blue orb. There are white smudges in the same spots as the image on the left, but also at the center of the planet and at the top. There are cyan smudges vertically along the right side, with the top of the smudging more translucent than the bottom.
NASA Science · NASA’s Webb Captures Neptune’s Auroras For First TimeBy NASA Webb Mission Team
#ESA#NASA#CSA
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