Digel Cloud 2S: Located in Milky Way Galaxy's Outer Region | Webb Space Telescope

Digel Cloud 2S: The Milky Way Galaxy's Outer Region | Webb Space Telescope

The NASA/European Space Agency/Canadian Space Agency James Webb Space Telescope has observed the very outskirts of our Milky Way galaxy. Known as the Extreme Outer Galaxy, this region is located more than 58,000 light-years from the Galactic center. To learn more about how a local environment affects the star formation process within it, a team of scientists directed the telescope’s Near-InfraRed Camera (NIRCam) and Mid-InfraRed Instrument (MIRI) towards a total of four star-forming areas within Digel Clouds 1 and 2: 1A, 1B, 2N, and 2S.

In the case of Cloud 2S, shown here, Webb revealed a luminous main cluster that contains newly formed stars. Several of these young stars are emitting extended jets of material from their poles. To the main cluster’s top right is a sub-cluster of stars, a feature that scientists previously suspected to exist but has now been confirmed with Webb. Additionally, the telescope revealed a deep sea of background galaxies and red nebulous structures that are being carved away by winds and radiation from nearby stars.

Image Description: At center is a compact star cluster composed of luminous red, blue, and white points of light. Faint jets with clumpy, diffuse material extend in various directions from the bright cluster. Above and to the right is a smaller cluster of stars. Translucent red wisps of material stretch across the scene, though there are patches and a noticeable gap in the top left corner that reveal the black background of space. Background galaxies are scattered across this swath of space, appearing as small blue-white and orange-white dots or fuzzy, thin discs. There is one noticeably larger blue-white point with diffraction spikes, a foreground star in the upper right.

Credit: NASA, ESA, CSA, STScI, M. Ressler (NASA-JPL)

Release Date: Sept. 12, 2024

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