Comet ISON — that bright comet last year that broke up around Thanksgiving weekend — included two forms of nitrogen in its icy body, according to newly released observations from the Subaru Telescope. Of the two types found, the discovery of isotope 15NH2 was the first time it’s ever been seen in a comet. Further, … Continue reading "Comet ISON Hosted A Rare Kind Of Nitrogen, Hinting At Reservoirs In Young Solar System"