Arrives By Accident…

By chance, astronomer Christina Williams spotted a faint trace of light that led her to the discovery of a mythical galaxy. The University of Arizona astronomer saw the shimmering blob in new data from the Atacama Large Millimeter Array in Chile. But something didn’t match up. The light was on its own in an area without a known galaxy. 

“It was very mysterious because the light seemed not to be linked to any known galaxy at all,” said Williams, lead study author of a paper published Tuesday in the Astrophysical Journal.

“When I saw this galaxy was invisible at any other wavelength, I got really excited because it meant that it was probably really far away and hidden by clouds of dust.”

If it took millions of years to arrive, why did it arrive just the other day?

And did it turn up at a significant time or just at something like twenty-five to three in the afternoon, in time for the school run?

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