See a dying star and galaxy merger through a James Webb lens

At a joint conference of NASA, the European and Canadian Space Agencies, researchers presented

The first images taken by the James Webb Telescope. The list of the first targets was selected by scientists in order to most fully demonstrate its capabilities.


The Carina Nebula in a combined NIRCAM and MIRI image (left) and an infrared NIRCAM image (right). Source: NASA, ESA, CSA, and STScI

One of the new pictures shows partthe Carina Nebulae (NGC 3372). It is one of the largest and brightest nebulae in the sky. It is located at a distance of about 7.6 thousand light years from Earth in the southern constellation Carina. The image taken by James Webb reveals the earliest and fastest phases of star formation that were previously obscured. The ESA notes that by observing this region, the telescope captures forming stars and studies the gas and dust from which they formed.

Webb's 3D painting, dubbed"Space Rocks" looks like rocky mountains on a moonlit evening. It's actually the edge of a giant gas cavity inside NGC 3324, and the tallest "peaks" in this image are about seven light-years high. The cavernous region has been carved out of the nebula by intense ultraviolet radiation and stellar wind from extremely massive and hot young stars located at the center of the bubble above the region shown in this image.

Eight flare nebula.The right red star is a white dwarf that could not be captured in previous images. An image from the mid-infrared instrument (MIRI) shows for the first time that this star is surrounded by dust. The brighter star is at an earlier stage in its stellar evolution and is likely to eject its own planetary nebula in the future. Image: NASA, ESA, CSA, and STScI

The second image shows the planetaryEight Flare Nebula (NGC 3132). It is an expanding cloud of gas in the constellation Parus. It forms around a dying star. Each envelope represents an episode in which the fainter star lost some of its mass. The widest shells of gas towards the outer regions of the image were ejected earlier. Those closest to the star are the most recent. Tracking these outliers allows researchers to look into the system's history.

As the pair continue to orbit each other, they "stir" the gas and dust, causing asymmetrical patterns.

Stephan's Quintet in the mid-infrared. Image: NASA, ESA, CSA, and STScI

Another image shows the areainteractions of several galaxies, known as Stefan's Quintet. The telescope image shows how interacting galaxies cause star formation in each other and how the gas in galaxies is perturbed.

Previously, NASA presented the deepest infrared view of our universe and an analysis of the atmosphere of a giant hot exoplanet.

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