Science
Interstellar object is planet shard: study – Shepparton News
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 biscuit.Arizona State University astronomers reported this week that the strange 45-metre object that appears to be made of frozen nitrogen, just like the surface of Pluto and Neptune’s largest moon Triton.
Study authors Alan Jackson and Steven Desch think an impact knocked…
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