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interstellar gas

Image: Horsehead Nebula (NASA Webb NIRCam): This image of the Horsehead Nebula, taken by NASA's James Webb Space Telescope, focuses on a portion of the "Horse's Mane" that is about 0.8 light-years across. It was taken using a camera Webb's NIRCam (near-infrared camera) The airy clouds at the bottom of the image are dominated by cold molecular hydrogen. Red streaks extending above the main nebula represent mostly atomic hydrogen gas in this region, known as the photodissociation region and from nearby masses creates a mostly neutral region of gas and dust between the fully ionized gas above and the cooler nebula below. As in many Webb images, distant galaxies are scattered in the background. This image consists of light at wavelengths of 1.4 and 2.5 microns (shown in blue), 3.0 and -3.23 µm (cyan), 3.35 µm (green), 4.3 µm (yellow), and 4.7 and 4.05 µm (red). Credit: NASA, ESA, CSA, K. MISSELT (UNIVERSITY OF ARIZONA) and A. ABERGEL (IAS/UNIVERSITY PARIS-SACLAY, CNRS)

The Horsehead Nebula in unprecedented detail from the James Webb Space Telescope observations

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Stars are born. Science site credit via DALEE. The image is for illustration only and should not be seen as a scientific image

The place where stars are born

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An illustration of Garfield the cat pondering the idea of ​​lasagna in space. Invisible noodle-shaped structures, lazania leaves or hazelnut shells may be floating in the milky way. Could it be the dark matter we've been searching for for years?© GARFIELD: Paws. Used by permission. Art by CSIRO

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The Newton Space Telescope discovered some of the missing matter in the universe

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