Oort cloud


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Related to Oort cloud: Kuiper belt, Sedna
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(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto

References in periodicals archive ?
So [dynamicist Eric] Mamajek, unsure of what the star's effect on the Oort Cloud might be, did a quick back-of-the-envelope calculation.
Indeed, it is even higher than measured for any Oort cloud comet as well.
Oort cloud comets, it turns out, have twice the concentration of heavy water found in Earth water.
Siding Spring will be the first comet from the Oort Cloud to be studied up close by spacecraft, giving scientists an invaluable opportunity to learn more about the materials, including water and carbon compounds, that existed during the formation of the solar system 4.
com)-- Aratog LLC, the developer of the multi-platform strategy Astro Lords: Oort Cloud MMO, releases the game in Russian-speaking countries and announces the release date in North America and Europe for Web and PC platforms with publisher BISBOG.
Comet ISON, which began its journey from the Oort Cloud some 3 million years ago, made its closest approach to the sun on Nov.
The comet has been in "deep freeze" for billions of years in the Oort cloud, a vast area of comets and debris that never formed into planets that's between 724.
Now, technically, most scientists won't consider the probe to have really left the solar system until it passes through a sheath of comets known as the Oort cloud and is no longer influenced the by sun's gravity, but it will take Voyager another 300 years just to get there and another 30,000 to get through.
Well Volvo may be one step ahead of the Oort Cloud on that one.
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.
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.