Comet

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Comet Tempel collides wi Deep Impact's impactorComet 67P/Churyumov–Gerasimenko orbitit bi Rosetta
Comet 17P/Holmes an its blue ionised tailComet Wild 2 veesitit bi Stardust probe
Hale–Bopp seen from Croatia in 1997Comet Lovejoy seen frae orbit
Comets – nucleus, coma an tail:

A comet is an icy smaw Solar Seestem bouk that, when passin close tae the Sun, heats up an begins tae ootgas, displayin a veesible atmosphere or coma, an sometimes an aa a tail.