The James Webb Space Telescope captures a picture of the bright galaxy Arp 220

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    The James Webb Space Telescope captures a picture of the bright galaxy Arp 220

    After pictures of the Cassiopeia supernova and pictures of Uranus and its moons, we return to talking about James Webb Space Telescope And the new photo of Galaxy Arp 220. This orb is particularly remarkable because it is so bright, much brighter than our own galaxy, the Milky Way. Motivation is present in its history allowing you to make the most of JWST extension.

    ARP 220 JWST

    Click on the image to enlarge

    galaxy Arp 220 It is located 250 million light-years from Earth in the constellation Serpens. To increase the amount of data available to scientists, MIRI Tools And yoke camera For mid and near infrared with different filters. The obtained composite image highlights its special structure that manages to overcome the dust cover that obscures the view of telescopes observing in the visible. This is the main information.

    Galaxy Arp 220 and the James Webb Space Telescope

    Arp 220 It is a particularly bright galaxy in the infrared, so the JWST extension It is one of the best instruments for observing it and it is also one of the three closest galaxy mergers to Earth. According to scientists The merger of two spiral galaxies That led to the formation of this celestial body began about 700 million years ago.

    This event created conditions that allowed the formation of a massive star. For this reason, in that region, which is about 5,000 light-years across, there are about 200 star clusters surrounded by a lot of dust. To understand how rich this point of the universe in particular is, just think that in a region of 5% the size of the Milky Way, there is as much gas as there is in our entire galaxy.

    ARP 220 JWST

    inside Arp 220 There are also some supernova remnants (about 100). In the peripheral regions, there is still tidal activity due to the confluence of the two highlighted galaxies James Webb Space Telescope in blue. The entire image covers a field of view of 120,000 light-years.

    In terms of filters, F090W, F150W, F200W, F277W, F356W and F444W were used for yoke camera And F770W and F1130W for Merry. Also in this case, imaginary colors are assigned to be an image visible to the human eye. We find respectively blue for 900 µm (visible), for 1.5 µm (blue) 2.0 µm (green), 2.77 µm (yellow), 3.56 µm (orange), 4.44 µm (red), 7.7 µm (yellow) and 11 µm ( red). In particular, MIRI filters are used to detect polycyclic aromatic hydrocarbons. On the ESA website you can download the version from approximately 14 MB To highlight every detail.

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