Columbia Encyclopedia

(Encyclopedia) Jupiter jo͞oˈpətər [key], in astronomy, 5th planet from the sun and largest planet of the solar system. Astronomers have discovered 79 satellites orbiting Jupiter, but five of those, small sate...

(Encyclopedia)  CE5 Saturn and its ring system as seen from Earth Saturn, in astronomy, 6th planet from the sun. Saturn has 82 confirmed natural satellites, many of which have not been named. Five of the discov...

(Encyclopedia) cerium sērˈēəm [key] [from the asteroid Ceres], metallic chemical element; symbol Ce; at. no. 58; at. wt. 140.116; m.p. 799℃; b.p. 3,426℃; sp. gr. 6.77 at 25℃; valence +3 or +4. Cerium is a ...

(Encyclopedia) Virgo vûrˈgō [key] [Lat.,=the virgin], constellation lying on the ecliptic (the sun's apparent path through the heavens) between Libra and Leo, and SW of Boötes; it is one of the constellations of...

(Encyclopedia) Tellus tĕlˈəs [key], in Roman religion, earth goddess; also called Terra Mater. As a goddess of fertility, she was worshiped at festivals held in January (in conjunction with Ceres) and in April. T...

(Encyclopedia) neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...

(Encyclopedia) Liber līˈbər [key], in Roman religion, god of fertility and wine. He was usually identified with Bacchus, the Latin equivalent of Dionysus. His consort Libera was identified with Persephone or Aria...

(Encyclopedia) Aquila [Lat.,=the eagle], equatorial constellation located N of Sagittarius and Capricornus, lying partly in the Milky Way. It is sometimes depicted as an eagle. It contains the bright star Altair (Al...

(Encyclopedia)  CE5 Constellations: Southern sky CE5 Constellations: Southern sky CE5 Constellations: Southern sky constellation, in common usage, group of stars that appear to form a configuration in the...

(Encyclopedia) Leo [Lat.,=the lion], northern constellation lying S of Ursa Major and on the ecliptic (apparent path of the sun through the heavens) between Cancer and Virgo; it is one of the constellations of the z...