Oort cloud

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Related to Oort cloud: Kuiper belt, Sedna
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  • noun

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(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto

References in periodicals archive ?
Its fraction of heavy water is three times that of Earth, higher than those of the Oort cloud comets.
These are the first direct measurements of the composition of dust from an Oort Cloud comet.
Astro Lords: Oort Cloud, a massively multiplayer strategy game, was presented as a beta on Game Connection Europe and Indie Prize Showcase Amsterdam 2014 game contests.
2au, and the orbit suggests that it is a new comet from the Oort Cloud.
The chapters take up only a bit over 200 pages, and the bulk of the volume is devoted to appendices of technical information on such matters as virial theory, the formation of commensurate planetary orbits, perturbations of the Oort Cloud, global warming, and physical constants and useful data.
Well Volvo may be one step ahead of the Oort Cloud - check it out online - on that one.
NASA scientists estimate that comet Siding Spring has been on a more than a million-year journey, arriving from our solar system's distant Oort cloud.
Comet 2011 L4 Panstarrs has taken millions of years to travel out from the Oort cloud - a huge colony of icy objects at the edge of the Solar System.
Celestial visitors like Comet ISON hail from the Oort Cloud, a cluster of frozen rocks and ices that circle the sun about 50,000 times farther away than Earth's orbit.
Tim Wessels, cloud navigator at Oort Cloud Computing, Rindge, has worked with small and medium-sized businesses for over 25 years.
Astronomy Now explains that the comet's near-parabolic orbit suggests that it has arrived fresh from the Oort Cloud, a vast zone of icy objects orbiting the Sun, pristine remnants of the formation of the Solar System.
The Oort Cloud is found in which branch of science?
Jexper's composition Oort Cloud, a piece which premiered at Huddersfield Contemporary Music Festival last year, was inspired by the patterns of icy debris in dying solar systems.
They now make up much of the Oort Cloud, the roughly spherical cloud of comets that surrounds the Sun extending halfway to the nearest star, say the scientists.
They modelled what would happen to dust released from various sources--asteroid collisions, comets arriving on random orbits from the Oort Cloud, and especially "Jupiter-family comets" (orbital periods of less than 20 years)--and kept track of what went where.