The group of celestial bodies, including the EARTH, orbiting around and gravitationally bound by the sun. It includes eight planets, one minor planet, and 34 natural satellites, more than 1,000 observed comets, and thousands of lesser bodies known as MINOR PLANETS (asteroids) and METEOROIDS. (From Academic American Encyclopedia, 1983)

DUI

D016082 MeSH Browser

CUI

M0024564

Previous indexing

Astronomy (1966-1990); Extraterrestrial Environment (1966-1990)

History note

91

Public note

91