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Astronomers Pinpoint The Mysterious 'Engine' of a Super-Powerful Intergalactic Light - ScienceAlert

Astronomers Pinpoint The Mysterious 'Engine' of a Super-Powerful Intergalactic Light - ScienceAlert

Astronomers Pinpoint The Mysterious 'Engine' of a Super-Powerful Intergalactic Light - ScienceAlert
Feb 07, 2023 43 secs

Using the JWST, astronomers have pinpointed the exact location of the light, behind a thick wall of dust obscuring it in other wavelengths.

Many examples of galactic mergers at various stages have been found out there in the wider Universe, but it's a slow process that can take millions to billions of years.

This is what scientists expected to see when they turned the infrared Spitzer Space Telescope to a galaxy merger 500 million light-years away called IIZw096 in 2010.

Unfortunately, Spitzer wasn't offering a high-enough resolution to find the exact location of the light source, and the mystery had to be put aside.

(Hanae Inami/Hiroshima University)They found that the source makes up around 70 percent of the mid-infrared light emitted by the merging galaxies.

(Inami et al., ApJL, 2023)The researchers also identified 12 smaller sources of mid-infrared light in the JWST data, clustered around the bright "engine".

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