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No cigar: Interstellar object is cookie-shaped planet shard

No cigar: Interstellar object is cookie-shaped planet shard

Technology
A new study says says our solar system's first known interstellar visitor is likely a remnant of a Pluto-like world and shaped like a cookieBy MARCIA DUNN AP Aerospace WriterMarch 17, 2021, 9:23 PM• 4 min readShare to FacebookShare to TwitterEmail this articleCAPE CANAVERAL, Fla. -- Our solar system’s first known interstellar visitor is neither a comet nor asteroid as first suspected and looks nothing like a cigar. A new study says the mystery object is likely a remnant of a Pluto-like world and shaped like a cookie.Arizona State University astronomers reported this week that the strange 148-foot (45-meter) object that appears to be made of frozen nitrogen, just like the surface of Pluto and Neptune's largest moon Triton.The study's authors, Alan Jackson and Steven Desch, think an impact k...