Comet crash or ice volcano? Scientists are stumped by a secret world past Pluto, and it may be wearing a secret atmosphere

2002 XV93 atmosphere mystery stuns space scientists as a distant Kuiper Belt object reveals unexpected signs of activity. The 470-kilometer icy world challenges old Solar System theories. Researchers believe possible gas, dust, impacts, or icy volcanoes may explain this rare cosmic discovery. The finding shows even small worlds can hold hidden secrets beyond human imagination.

Raccontata daeconomictimes.indiatimes.com