Category:Comets

This is the category for comets, small objects orbiting the Sun that outgas producing a tail when near the Sun.

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• 17 February 2025: Philae space probe lands on comet
• 17 February 2025: Moon water possibly originated from comets, data shows
• 17 February 2025: Rosetta spacecraft passes Lutetia asteroid
• 17 February 2025: New ring discovered around Saturn, could explain dark side of its moon
• 17 February 2025: ESA launches Herschel Space Observatory and Planck Satellite
• 17 February 2025: New comet to be visible to naked eye for several days
• 17 February 2025: Unexpected comet 'outburst' could be visible for weeks
• 17 February 2025: Kuiper Belt object to become comet in approx. 2 million years
• 17 February 2025: Keep your eyes peeled for cosmic debris: Andrew Westphal about Stardust@home
• 17 February 2025: Stardust comet samples "visible to the naked eye"

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File photo of Halley's Comet, 1910.
Image: The Yerkes Observatory.