Starlust on MSN

SPHEREx images show a marked difference in 3I/ATLAS' activity before and after perihelion

SPHEREx first analyzed the interstellar comet in August, when it was between Jupiter and Mars.
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3I/ATLAS post-perihelion photos and China's Mars orbiter image show a tail-less fuzzy dot

3I/ATLAS has now been a few times since perihelion. We have at least two new images of the comet after its encounter with the Sun. The first one was taken from the Lowell Observatory in Arizona, and ...