Published in Technology
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James Webb Telescope reveals stunning image of young stars

James Webb Telescope reveals stunning image of young stars

Stunning new images from the Webb Telescope revealed a massive collection of young stars in a nebula in the M33 galaxy, also known as the Triangulum. This nebula is called NGC 604 and is home to a huge star-forming region.

Triangulum/M33 Galaxy

NGC 604 is located in the middle of the Triangulum galaxy, around 2.7 million light-years from Earth. It has been a few months since the James Webb Space Telescope sent particularly impressive images from space because depending on the focus of the mission, there are sometimes great images and sometimes great findings.

Now there are new, breathtaking images from a very close galaxy. The image, released jointly by NASA, ESA, and the Canadian Space Agency, shows a star-forming region in the triangular galaxy M33, seen next to the much better-known Andromeda galaxy M31. The image shows M33 as it looked 2.7 million years ago - that's how long it took for its light to reach the space telescope's cameras.

Young stars

James Webb is currently looking for young stars. The new images show a nebula with over 200 stars that scientists estimate are 3.5 million years old. This makes them very young stars. They are - probably - among the most massive and hottest stars that can be found in the night sky.

Some of these B-type and O-type stars have more than 100 times the mass of the Sun. It is rare to find such large stars in such a dense concentration in the universe. NGC 604 has a diameter of “only” 1,300 light years. The data was recorded with the two JWST cameras - the Near Infrared Camera (NIRCam) and the Mid-Infrared Instrument (MIRI) - and published both as individual images and as an edited overall image. There have been images of NGC 604 in the past. However, none of the known images show as much detail as the infrared cameras of the James Webb Telescope were able to capture.


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