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A long-known celestial body behaving strangely – is an asteroid a comet? – Socialpost
fromTanya Banner Close A long-known celestial body suddenly does something unexpected – and this raises…

A long-known celestial body suddenly does something unexpected – and this raises questions: Is (248370) 2005 QN173 not an asteroid at all, but a comet?
Tucson/Frankfurt – Asteroids and comets are actually two completely different classes of celestial bodies,…
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