periodic comet


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Related to periodic comet: Halley's comet, Halley comet

periodic comet

A comet that has been seen to orbit the Sun more than once. The names of such comets are prefixed by P/, as in P/Halley.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
References in periodicals archive ?
Periodic Comet Shoemaker-Levy 9 is more akin to a handful of marbles than a baseball.
Each time a periodic comet revisits the inner solar system, it can experience the gentle effects of dust-bearing gas jets erupting on its sun-warmed surface.
It originated from Swift-Tuttle, a periodic comet that completes its orbital cycle every 133 years.
A preceding P means you're looking at a periodic comet (any comet with an orbital period of 200 years or less).
The Perseids are pieces of Periodic Comet Swift-Tuttle.
Matese at the University of Southwestern Louisiana in Lafayette created the new theory by merging two ideas that were proposed in the past for reasons totally unrelated to periodic comet impacts and mass extinctions: a tenth planet, dubbed Planet X and envisioned to reside beyond the orbit of Pluto; and a disk or belt of comets throught to lie in the plane of the solar system beyond Neptune.
The meteors are actually fragments coming off of the Giacobini-Zinner periodic comet that passes Earth every six years and four months.
Rosetta launched in March 2004, and after a long cruise that included flybys of Earth, Mars, and two asteroids--plus an unnervingly long hibernation period--the spacecraft arrived at its primary target, a periodic comet called 67P/Churyumov-Gerasimenko, in August 2014.
These periodic comet showers appear to correlate with the dates of ancient impact craters found on Earth, which would suggest that most impactors in the past were comets, not asteroids.
Periodic comet 41P/Tuttle-Giacobini-Kresak may be reaching 6th or even 5th magnitude very high in the northern evening sky.
It was first viewed in 1948, making it the 45th discovered periodic comet after Haley's comet, the (http://nypost.com/2017/02/08/get-ready-for-a-rare-celestial-trifecta/) New York Post reported.
According to Nasa, this meteor storm would result "from the dust of periodic comet 209P/LINEAR, a Jupiter family comet discovered by the Lincoln Laboratory Near-Earth Asteroid Research project in 2004".