Space oddity Oumuamua probably shard of Pluto-like world, scientists say

Interstellar visitor likely made of frozen nitrogen, cookie-shaped rather than cigar, and not a comet or asteroid – while some stick to alien theory 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 report the strange 45-metre (148ft) object appears to be made of frozen nitrogen, just like the surface of Pluto, and Neptune’s largest moon, Triton. Continue reading...
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