NASA Webb Telescope

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Check out Hubble’s “after” shots from #DARTMission impact! Earlier this week, @NASA intentionally crashed a spacecraft into Dimorphos, a non-threatening asteroid moonlet in the double-asteroid system of Didymos, in a test of planetary defense:
Retweeted by NASA Webb Telescope
By the way, this isn’t the last Webb is seeing of this asteroid! Scientists plan to follow-up by observing the same asteroid system with Webb’s MIRI and NIRSpec instruments, both of which should provide insight into the chemical makeup of Dimorphos.
Webb took one observation of the impact location pre-collision, then several observations over the next few hours. The images from Webb’s NIRCam instrument show a tight, compact core, with plumes of material appearing as wisps streaming from the center of the impact site.
Speed, I am speed. Observing the #DARTMission impact with Webb was a unique challenge. The target moved over at a speed over 3 times faster than the original speed limit Webb was designed to track! In the weeks leading up to the impact, teams carefully tested for success.
DART, you rocked out there. 🪨 #ICYMII, Webb and@NASAHubblee both captured the effects of#DARTMissionn colliding with an asteroid as a test of planetary defense. This is the first time both telescopes observed the same target at the same
Different stars shine brighter at different wavelengths of light — so some stars are clearer in @NASAHubble’s view, while others are more visible with Webb. Taken together, these two views provide us a more complete understanding of galaxy IC 5332’s structure and composition.
In visible and ultraviolet light, @NASAHubble (left) shows dark regions of dust that separate the spiral arms. Webb (right) is able to peer through that dust in mid-infrared light, instead seeing patterns of gas that echo the arms’ shape.
Space, but make it goth! 🕸️ If this new image from Webb’s mid-infrared instrument (MIRI) looks dark & moody, that's because things look different in this light than what you may be used to. These are the "bones” of galaxy IC 5332, usually hidden by
IMPACT SUCCESS! Watch from #DARTMIssion’s DRACO Camera, as the vending machine-sized spacecraft successfully collides with asteroid Dimorphos, which is the size of a football stadium and poses no threat to Earth.
Retweeted by NASA Webb Telescope
Good luck, DART! Webb and @NASAHubble will be cheering you on by watching from afar. For the first time, both space telescopes plan to observe the same object at the same time! The LIVE broadcast starts at 6 pm ET with #DARTMission's asteroid impact at 7:14 pm ET. More below!…
Hola, Neptuno. ¿Estos son tus anillos? Esta imagen reciente de @NASAWebb es la vista más clara de los anillos de Neptuno en más de 30 años y la primera en luz infrarroja. Contempla las imágenes del planeta y sus bandas de polvo, sus anillos y sus lunas:
Retweeted by NASA Webb Telescope
Neptune in a new light! 🔵 Hubble’s view of this planet looks pretty different from@NASAWebbb's new image, on the right. That’s because these two telescopes looked at the planet in different wavelengths of light. ⬇️X
Retweeted by NASA Webb Telescope
🪐We’re always big fans of Saturn, but Neptune’s rings are giving us all the feels in this new@NASAWebbb image. It’s the clearest view of the rings of the most distant planet in our solar system in more than 30 years.…9w
Retweeted by NASA Webb Telescope
Congratulations to Gregory Robinson, former program director of @NASAWebb, who received the 2022 Federal Employee of the Year medal! Robinson was recognized for his leadership of Webb--the largest and most complex science observatory launched.
Retweeted by NASA Webb Telescope
Let’s zoom out and get the big picture! Some quick Neptune facts: 📍 Far out - 30x farther from the Sun than Earth 🕶️ Hello darkness my old friend - Neptune doesn’t get much Sun, so high noon would be like a dim twilight on Earth. 🥶 Ice giant. BrjQ2
That’s no star. It’s Neptune’s large, unusual moon, Triton! Because Triton is covered in frozen, condensed nitrogen, it reflects 70% of the sunlight that hits it — making it appear very bright to Webb. 6 of Neptune’s other moons (labeled) are also seen here.
In visible light, Neptune appears blue due to small amounts of methane gas in its atmosphere. Webb’s NIRCam instrument instead observed Neptune at near-infrared wavelengths, so Neptune doesn’t look so blue!
Hey Neptune. Did you ring? 👋 Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and
Love space telescopes? Local to DC? 🔭 Check out a free lecture at the Library of Congress, “Big Telescopes and Big Discoveries in Our Solar System,” with NASA astrobiologist Dr. Stefanie Milam. The talk will be Wednesday, Sept. 21 at 11:30 a.m. EDT.
Retweeted by NASA Webb Telescope
Free Webb event for kids! 👇 On Oct. 1 at noon ET, kids ages 5-12 can participate in a hands-on galaxy activity, ask Webb@SpaceTelescopee expert Dr. Quyen Hart their questions, learn cool galaxy facts and more. Register
Congrats to our former program director Gregory Robinson, the 2022 Federal Employee of the Year! "Greg’s leadership helped make Webb’s novel innovation possible — and his impact at NASA will be realized for generations." -NASA Administrator @SenBillNelson
Rovers, orbiters, telescopes – and now a new, powerful eye watching the Red Planet. Welcome to the Mars team, @NASAWebb! We can't wait to see what your observations add to our knowledge of dust storms, weather patterns, and seasonal changes!…
Retweeted by NASA Webb Telescope
Why do Webb's Mars images look so different? Webb was built to detect faint light from distant galaxies, but Mars is extremely bright! Special techniques were used to avoid Webb being flooded with light. *Images are from Webb science in progress & have not yet been peer reviewed
This spectrum, which combines data measured by Webb’s NIRSpec instrument, shows the signatures of water, carbon dioxide and carbon monoxide in Mars’ atmosphere! The data also gives us information about the planet’s dust, clouds, rocks and more.
Webb’s unique perspective is meant to complement the work that rovers and other missions do. From where it sits, Webb can study short-term events like dust storms, weather patterns, as well as seasonal changes.
Webb got its first look at @NASAMars! 👀 The close-up on the left reveals surface features such as Huygens Crater, dark volcanic Syrtis Major, and Hellas Basin, while the “heat map" on the right shows light being given off by Mars as it loses heat.
We celebrate #HispanicHeritageMonth by sharing stories of some of the @NASApeople whose roots, families, and passions contribute to our shared mission of expanding knowledge for the benefit of humanity. Follow us here for news in English, or at @NASA_es for updates en español.
Retweeted by NASA Webb Telescope
Starting Sept 19th, we’ll share new Webb data at least every other week. Check the Webb blog to keep up with the latest!
Peer review ensures quality, accurate scientific results — and that is important to us when we share what Webb has discovered. We may report on some data prior to peer review, but we’ll always note it when we do.
New observations from the telescope have to make their way from raw data to published, peer-reviewed science. Peer review is a long-established quality-control system, where experts scrutinize new discoveries before they are accepted by the scientific community.
You’ve seen the latest image or finding from Webb online, and you want to know: why can’t I find it on the official NASA account? Scientists may share Webb data as they receive it, but we’re following a more formal process. Let’s walk through it:…
How will Webb open the cosmic treasure chest? Hear from Senior Project Scientist & Nobel laureate Dr. John Mather at a free event Sept. 13 at 8 p.m. ET. Attend online or in-person at @airandspace Udvar-Hazy. 👉…M 📺…SNR
Help improve our understanding of the universe by joining @SpaceApps on October 1-2. You could create a learning tool to teach people how dynamic the night sky really is or develop a game showcasing @NASAWebb’s capabilities! Register today at
Retweeted by NASA Webb Telescope
Want to join the fun from home? Test what you know about Webb:…
NASA Associate Administrator @Astro_CabanaBob helped unveil the new @NASAWebb stamp @PostalMuseum today! Check out photos from the event:
Retweeted by NASA Webb Telescope
📬 The United States Postal Service is releasing a stamp celebrating@NASAWebbb this week. Officials from@NASAA and@USPSS will dedicate the stamp at a ceremony open to the public on Sept. 8 at 11 am ET at
Retweeted by NASA Webb Telescope
We’re going even deeper into the web with @NASAWebb! 🕸️ These Hubble & Webb views unveil a star-forming region called the Tarantula Nebula. At a distance of 161,000 light-years, it’s home to the hottest & most massive stars known.H
Retweeted by NASA Webb Telescope
To download these images in full-resolution: ⭐ Hubble: ⭐ Webb (NIRCam): Read more on the Tarantula Nebula:
Two space telescopes, twice the star power. This #TransformationalTuesday, watch as @NASAHubble’s view of the Tarantula Nebula fades into Webb’s NIRCam, then MIRI instrument views. Hubble and Webb will work together to showcase the universe across multiple wavelengths of light.
This Webb caught a giant space tarantula! 🕸️ Take a moment to stare into thousands of never-before-seen young stars in the Tarantula Nebula.@NASAWebbb reveals details of the structure and composition of the nebula, as well as background
Retweeted by NASA Webb Telescope
Though Webb can potentially discover new planets, this one was found in 2017 using the SPHERE instrument on the European Southern Observatory’s Very Large Telescope in Chile. Above Earth’s atmosphere, Webb can see details of this planet that ground-based telescopes cannot.
Fun fact: if we sent a telescope to the nearest exoplanet traveling at the same rate as @NASAVoyager (17.3 km/sec), it would take 73,000 years to reach it! That is far away! And that is why exoplanet imagery from nearby Earth shows just dots of light.
Why don’t these look like images of our solar system captured by Juno or Cassini? Space is big and exoplanets are small — and far away from us! Don’t forget, we didn’t get our first detailed look at Pluto until 2015 when New Horizons visited.
Each of Webb's 4 views is at a different wavelength of infrared light. The white star is the location of the host star. Its light is blocked by Webb’s coronagraphs, or tiny masks. The bar shapes in the NIRCam views are artifacts of the telescope optics, not physical objects.
This is a gas giant named HIP 65426 b, which is about 6-12 times the mass of Jupiter. It is young as planets go — about 15 to 20 million years old, compared to our 4.5-billion-year-old Earth.
Talk about out of this world! This is Webb’s first direct image of a planet outside of our solar system, and it hints at Webb’s future possibilities for studying distant worlds: Not what you expected? Let’s walk through the details👇E
LIVE NOW: Learn about how NASA imagery is translated into experiences you can read, touch, or hear in a @TwitterSpaces event all about accessibility. Drop questions below or request to speak during our Q&A by tapping the mic. 🎙…K
Retweeted by NASA Webb Telescope
#ICYMI, we just released 3 new Webb sonifications, or translations of data to sound. Sonifications support blind and low-vision listeners first, but are designed to be captivating to all. Hear more about how & why they're created in our @TwitterSpaces!…
There’s space for everyone. We’re one hour out from a @TwitterSpaces event about ways that NASA imagery is made accessible. Tune in to hear from @chandraxray, @SpaceTelescope experts and more about how space gets translated into text, touch and sound.…
How would we hear this graph of exoplanet WASP-96 b’s atmosphere? The pitches of each data point correspond to frequencies of light, with longer wavelengths having lower pitches. Volume indicates the amount of light detected. Four droplet sounds represent clear water signatures.
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