cometary
Adjective
Meaning
Pertaining to, or resembling, a comet.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
A few objects have ended up being dual-listed because they were first classified as minor planets but later showed evidence of cometary activity.
A coronal mass ejection carried the cometary material to Ulysses.
At the time of its discovery, Chiron was close to aphelion, whereas the observations showing a coma were done closer to perihelion, perhaps explaining why no cometary behavior had been seen earlier.
He read the apparition as a cometary portent of doom foreshadowing the imminent fall of Sultan Zayn al-Abidin (AD 1418/1420–1470).
Infrared spectroscopic observations made by NASA's Spitzer Space Telescope of the central star of the Helix Nebula suggest the presence of a dust cloud, which may be caused by cometary collisions.
Debris disk In 2004, a team of UK astronomers led by Jane Greaves discovered that Tau Ceti has more than ten times the amount of cometary and asteroidal material orbiting it than does the Sun.