By Chris Skeldon 
James Webb Space Telescope The team announced Thursday that scientists have detected dozens of active jets and streams of young stars previously hidden by clouds of dust in one of the first iconic images from the $10 billion observatory.
NASA said in a statement that the “rare” discovery — including a paper published in the Monthly Notices of the Royal Astronomical Society this month — marked the beginning of a new era of investigation of star formation, as well as how nearby massive stars radiate. It can affect the evolution of the planets.
Cosmic slopes of the Carina NebulaWithin the star cluster NGC 3324, seen at a new wavelength using the capabilities of the Webb telescope, allows researchers to track the motion of other features previously captured by the Hubble Space Telescope.
By analyzing data from a specific wavelength of infrared light, astronomers have discovered twenty previously unknown explosions from very young stars revealed by molecular hydrogen.
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Dozens of jets and outflows from previously hidden young stars are revealed in this new image of the cosmic descent from the Near Infrared Camera (NIRCam) on NASA’s James Webb Space Telescope. This image separates several wavelengths of light from the first image revealed on July 12, 2022, which highlights molecular hydrogen, a vital ingredient for star formation. The insets on the right side highlight three cosmic ramp regions with particularly active molecular hydrogen fluxes. In this image, the red, green, and blue of Webb’s NIRCam data are set to 4.7, 4.44, and 1.87 μm (filters F470N, F444W, and F187N, respectively).
(Credits: NASA, ESA, CSA, and STScI. Image processing: J. DePasquale (STScI).)
Molecular hydrogen is a vital ingredient in star formation and a good way to track the early stages of this process.
As young stars collect material from the gas and dust around them, most of them also eject some of this material from their polar regions in jets and outflows. These planes act like a snowplow sweeping through the surrounding environment. Visible molecular hydrogen sweeps through,” NASA explained excited about these jets in Webb’s notes.
Objects discovered: including “little geysers” and “disturbing behemoths stretching light years away from star formation”.
A near infrared webcam (NIRCam) image of the cosmic cliffs, a region at the edge of a giant gaseous cavity within NGC 3324, with compass arrows, a scale bar, and a color key for reference. The north and east compass arrow shows the image’s direction in the sky. Note that the relationship between north and east in the sky (bottom view) is reversed relative to the direction arrows on the Earth map (top view). The scale bar is indicated in light years, which is the distance light travels in one Earth year. It takes two years for the light to travel a distance equal to the length of the tape. A light year is 5.88 trillion miles or 9.46 trillion km. This image shows the near-infrared wavelengths translated into the colors of visible light. The color key shows the NIRCam filters that were used when collecting the light. The color of each filter name is the color of the visible light used to represent the infrared light passing through that filter. Webb’s NIRCam was built by a team at the University of Arizona and Lockheed Martin Advanced Technology Center.
(Image: NASA, ESA, CSA, STScI)
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Previous observations of jet streams and jet streams have noted nearby regions and more complex objects already detectable at Hubble telescope wavelengths.
The agency noted, “Webb’s unparalleled sensitivity allows even the most remote regions to be observed, while enhanced infrared probes even the smallest stages of dust sampling. Together, this provides astronomers with unprecedented insight into environments that resemble the birthplace of our solar system.” 🇧🇷 🇧🇷
What looks like rocky mountains on a moonlit night is actually the edge of the young star-forming region NGC 3324 in the Carina Nebula. Taken in infrared light by the Near Infrared Camera (NIRCam) on NASA’s James Webb Space Telescope, this image reveals previously obscured regions of star birth.
(NASA, ESA, CSA, and STScI)
Many of these protostars are about to become low-mass stars like the Sun.
This is the period of star formationNASA added that they are difficult to detect because they are relatively ephemeral.
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Webb’s observations are also helping astronomers shed light on how active star-forming regions are.
By comparing the location of previously known jets in this region with Hubble data from 16 years ago, scientists were able to track the speed and direction in which the jets were moving.