(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
Oort cloud
| ... is a Kind of: Oort cloud |
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 | Oort cloud (swarm of comets orbiting the sun) |
| Jan Hendrik Oort (Dutch astronomer) |
| Complete Cosmos: Impact! Comets and Asteroids (1999 Film) |
 | How far is the Oort cloud? Read answer... |
| What evidence is there of the Oort Cloud's existence? Read answer... |
| Are there stars in the oort cloud? Read answer... |
Help us answer these
 | The oort cloud is the home of? |
| What is an oort clouds life cycle? |
| Is the Oort cloud related to the Nebula? |
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 | Definition. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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Mentioned in
- Oort cloud (swarm of comets orbiting the sun)
- Jan Hendrik Oort (Dutch astronomer)
- Complete Cosmos: Impact! Comets and Asteroids (1999 Film)
- Comet (solar system, sun and planets)
- Kuiper Belt (solar system, sun and planets)
- Idolum (2008 Album by Ufomammut)
- Pluto: The Renewer, for orchestra (additional movement for Holst's "The Planets") (Classical Work)
- The return of catastrophism (essay)
- Year 1950 (in Science & Technology)
- Jupiter Barrier
- Hills cloud
- Solar system
- Oort Limit
- Light-day
