ALT A photo of an individual in a clean room at NASA's Goddard Space Flight Center, wearing full clean room protective attire. They are holding a large, purple boarding pass that reads "Roman Telescope." Credit: NASA

ALT A person holds a large, purple "boarding pass" for NASA's Nancy Grace Roman Space Telescope in Goddard's large cleanroom wearing a full white cleanroom suit. The boarding pass has the detector logo for Roman, an artist concept image of Roman, as well as a QR code, the telescope, and the NASA logo. "Roman Telescope" is written where the name would go.

ALT A person in a head-to-toe white clean room suit holds a large purple "boarding pass" for NASA's Nancy Grace Roman Space Telescope in Goddard's large cleanroom. The boarding pass includes an image of the 18 detectors, an artist concept image of the telescope, a QR code, and the NASA logo. "Roman Telescope" is written where the name would go.

ALT The plate attached to the Roman telescope, where a memory card containing names will be attached. It's a tall, thin, rectangular silver plate. At the top of the plate is the stylized Nancy Grace Roman name logo. Below is the silhouette of Roman's 18-square detectors in their iconic arch shape. Text below that reads "NASA's first chief astronomer, Nancy Grace Roman, persevered through barriers and made powerful space telescopes a reality. She envisioned a world where everyone had access to, and enthusiasm for, science. This observatory is the continuation of her legacy and dream." Below the text is an illustration of Dr. Roman looking up, next to her name and the years 1925-2018. Below the years is a small box where the memory card will be affixed. The plate is held down with two large bolts at the top and bottom.

ALT The fully assembled Roman telescope in the clean room, standing upright. It's a silver cylinder with solar panels peeking out from behind both sides like wings. The hood is deployed, like a black sun visor on a baseball cap. Orange lifts and people in white cleanroom suits surrounded the telescope, highlighting how large it is. The unfolded lifts only reach about one-quarter of the way up the telescope's body. Instrumentation and cables are visible in a section about one-third of the way up the body. Thousands of tiny squares on the wall behind the telescope are air filters for the clean room.

ALT A field of galaxies against the black background of space. In the center is a bright-white elliptical galaxy that is the core of the Abell S1063 galaxy cluster. Around the core are short, curved red lines, which are distant background galaxies magnified and warped by gravitational lensing. A couple of foreground stars appear large and bright with Webb’s signature eight-point diffraction spike pattern. Toward the very bottom, slightly off center toward the right, is a small red dot that is highlighted by an orange square outline. A larger orange square in the top right corner shows the object in more detail. The object, labeled “GLIMPSE-17775” looks like a fuzzy red dot with a yellow core.

ALT Graphic titled “GLIMPSE-17775, Evidence of a ‘Black Hole Star, NIRSpec, Multi-Object Spectroscopy’” shows amount of light blocked on the y-axis versus wavelength of light, microns. The bottom of the y-axis is labeled “fainter,” and the top “brighter.” The x-axis starts with 2.80 microns at left and continues in increments of five, ending with 3.05 microns at right. A key at top left has a white line labeled “Data” and a small blue square labeled “Model of light scattered through hot dense gas.” The white data line is stepped with a large bell-like curve that peaks at 2.95 microns. It is labeled “hydrogen” and highlighted by a semi-transparent purple. The data also forms small peaks highlighted with different colors: around 2.84 microns, oxygen, green; 3.0 microns, helium, red; and 3.02 microns, sulfur, orange. The blue filling, representing the model, approximately fills the bell-like curve that marks hydrogen. A smaller peak of blue also approximately fills the data’s peak of helium.

ALT An area inside a star-forming molecular cloud. The background is covered with layers of gas and dust in blue, green and yellowish colours. Thicker clumps of cold dust, dark brown to black, block out light completely. Stars lie among and atop the clouds, from small orange ones to large white or blue ones. Waves and streams of glowing whitish gas are created by jets from protostars colliding with the surrounding material.

ALT The top image shows interstellar comet 3I/ATLAS as seen with MIRI (Mid-Infrared Instrument) on NASA’s James Webb Space Telescope, along with contours that illustrate where different gases were located at the time the comet was viewed. Water vapor spreads far beyond the nucleus because much of it is released from icy grains in the coma, while carbon dioxide and methane are most concentrated near the comet’s nucleus. The bottom image shows the spectrum, with the labels indicating the features from the various gases that Webb found escaping from the comet. Credit: NASA, ESA, CSA, STScI, M. Belyakov (Caltech), I. Wong (STScI), Image Processing: A. Pagan (STScI)

ALT This release features a composite image of colorful, overlapping clouds, which suggests to astronomers that a supernova remnant may be buried in gas near the center of our Milky Way galaxy. Set against a backdrop packed with distant stars and other specks of light are two distinct, overlapping clouds. The larger, visually dominant cloud, is red and multifaceted. It has an irregular shape, and features patches of different textures, including pockets that resemble wispy smoke, tangles of faint red veins, and clear streaking lines. This large cloud of expanding gas represents radio data from the MeerKAT telescope in South Africa. Overlapping with that red cloud is a cloudy blue blob representing X-ray data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton. Astronomers suggest that this blue blob of X-ray emissions is the remains of a massive star destroyed by a supernova.

ALT The four crew members of Artemis III -- from left to right, Luca Parmitano, Andre Douglas, Randy Bresnik, and Frank Rubio -- grin for the camera as they pose for a photo. They are wearing their orange flight suits against a white background; Luca and Randy are seated on stools, with Andre and Frank standing behind them. Credit: NASA/Helen Arase Vargas

ALT Image of the galaxy REBELS-25, taken by the Atacama Large Millimeter/submillimeter Array (ALMA). Credit: ALMA (ESO/NAOJ/NRAO)/L. Rowland et al.

ALT This illustration traces the universe’s evolution from the Big Bang to the present day, highlighting REBELS-25, a very distant galaxy seen during the Epoch of Reionization 13 billion years ago. New deep observations with the NSF VLA and ALMA reveal that REBELS-25 already had an enormous reservoir of cool molecular gas—the direct fuel for star formation—when the universe was just 700 million years old.

ALT This composite image overlays data from the Atacama Large Millimeter/submillimeter Array and NASA’s Chandra X-Ray Observatory. It shows evidence for a wind blowing away from Sagittarius A* (Sgr A*), the supermassive black hole in the center of our galaxy. The white dot in the center of the image shows Sgr A*. In orange is data from ALMA radio telescopes in Chile, mapping the location of cold gas composed of carbon monoxide in the image. In blue is X-ray data from NASA’s Chandra X-ray Observatory. A large cone-shaped cavity, visible as an absence of cold gas in the ALMA data, is filled by hot X-ray-emitting gas in the Chandra data. Researchers think a hot, energetic wind blowing from Sgr A* created this structure by sweeping the cold gas away or heating it up. Image Credit: Northwestern Univ./M. Gorski; X-ray: NASA/CXC/SAO; Radio: ESO/NAOJ/NRAO/ALMA