Just 300 miles or so across, this mini Pluto is thought to be the solar system’s smallest object yet with a clearly detected global atmosphere bound by gravity, said lead researcher Ko Arimatsu of the National Astronomical Observatory of Japan.
https://www.nbcnews.com/science/space/atmosphere-icy-world-beyond-pluto-rcna343509
The planetoid, called “(612533) 2002 XV93” (good luck remembering that one), was discovered and tracked by three separate observatories in Japan in 2024.
So why is it being only announced now?
Because scientists are cautious folk. They still want other observers to document this in other countries, to increase the validity of their finding.
The fact that the planetoid has an atmosphere (ridiculously thin, something like five to ten million times thinner than that of the Earth’s) came as a surprise.
So is this the famed “Planet X”? Or “Nibiru”?
No worries. It’s not rogue and won’t destroy the Earth in 3600 years. Sorry.
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