
Northern Lights and Comet Neowise by Gary Syrba
Our friends at EarthSky share that the latest observations of Comet 3I/ATLAS show it brightening more quickly than predicted:
Up until now, the interstellar comet had been brightening as expected. But now, the observations from mid-September 2025 are beginning to rise above the upward-sloping line of brightening that would have been typical for a comet nearing the sun.
(There has been a lot of talk that 3I/ATLAS might be an interstellar probe due to its great speed & a trajectory that takes it close to Jupiter, Mars & Earth before it slingshots away using the Sun’s gravitation.)
A team of scientists, led by Xabier Pérez-Couto of the University of A Coruña in Spain, has traced the path of interstellar object 3I/ATLAS back 10 million years. Indeed, this is only the 3rd-known object found traveling in our solar system that didn’t originate with our sun and its planets. Its trajectory tells us it must have come from another star system, but which one?
They traced the path back over 100 million astronomical units (9.3 quadrillion miles) but couldn’t find where it started towards Sol. You can read on for lots more!
Gary took these photos of the Northern Lights & Comet Neowise over Lake Michigan back in 2020. See more in his Night Skies gallery on Flickr and view & purchase Gary’s work on his website.









