The clip was produced with a tool called NEOWISE.
Every six months, NEOWISE undertakes a trip halfway around the Sun, taking images in all directions. Astronomers have now stitched together those images to produce an “all-sky” map showing the location and brightness of hundreds of millions of objects and revealing changes that span a decade.
“If you go outside and look at the night sky, it might seem like nothing ever changes, but that’s not the case,” said Amy Mainzer, principal investigator for NEOWISE at the University of Arizona in Tucson. “Stars are flaring and exploding. Asteroids are whizzing by. Black holes are tearing stars apart. The universe is a really busy, active place.”
Infrared light is radiated by many cosmic objects but is not visible to the human eye. The WISE mission saw its lifespan end in 2011 when its onboard coolant ran out. However, its spacecraft and some of its infrared detectors were still functional.
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