Mysterious object soars over Southern California, leaving smoke trail. What was it?
A mysterious object that looked vaguely like a comet or a meteor was seen soaring over night skies in the southwestern U.S., ...
Smithsonian Institution23h
Astronomers Reveal Largest Collection of Comets Outside Earth’s Solar System Ever Found
Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...