Engelsk navneord: Oort cloud | |||
1. | Oort cloud (om gruppe) (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 | ||
Mindre specifikke termer | accumulation, aggregation, assemblage, collection | ||
Overordnet emneområde | astronomy, uranology | ||