NASA Discovers Mysterious Green Light That Quickly Disappeared
By Chris Ciaccia – Fox News // September 6, 2019
(FOX NEWS) – NASA has spotted something mysterious in deep space that it can’t quite explain — bright flashes of green and blue spots that appeared and disappeared in a cosmic second.
The NuSTAR X-ray observatory was looking at the Fireworks galaxy (NGC 6946) and saw multiple blobs of blue and green light that appeared and disappeared within weeks, according to a new study published in the Astrophysical Journal.
NASA’s Chandra X-ray Observatory also witnessed the appearance and disappearance of the green blob, known as an ultraluminous X-ray source (ULX), confirming the sighting.
“Ten days is a really short amount of time for such a bright object to appear,” said Hannah Earnshaw, a postdoctoral researcher at Caltech, in a statement. “Usually with NuSTAR, we observe more gradual changes over time, and we don’t often observe a source multiple times in quick succession. In this instance, we were fortunate to catch a source changing extremely quickly, which is very exciting.”
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