JWST keeps giving us cosmic eye candy.
. Chandra specializes in seeing massive and violent objects in the universe like black holes and supernovas, so astronomers think the X-rays hint at supermassive black holes residing at the centers of both galaxies.
Astronomers previously thought that, like its central region, much of Arp 220 hosts heaps of star clusters, butthat analyzed Hubble's pictures found that star formation"shut off suddenly everywhere" about 100 million years ago, possibly as a consequence of the merger. It looks like Arp 220 is now in a post-starburst stage, which means it does not produce stars at extreme, short-lived rates, but is instead quiescent.
To click this latest image, Webb used two high-tech instruments onboard: The Near Infrared Camera — the telescope's primary camera — and Mid-Infrared Instrument , which can snap images as well as capture the light spectra of its targets. Both instruments were handy, as Arp 220 shines its brightest in infrared wavelengths. Indeed, the object's light is equivalent to"more than a trillion suns," according to the image description.
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