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Major Planets of the Solar System (table)

(Encyclopedia)Major Planets of the Solar System ...

planetary science

(Encyclopedia)planetary science or planetology, study of planets and planetary systems as a whole. Planetary science applies the theories and methods of traditional disciplines such as astronomy, geology, physics, ...

stratigraphy

(Encyclopedia)stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that in a normal sequ...

scandium

(Encyclopedia)scandium skănˈdēəm [key], metallic chemical element; symbol Sc; at. no. 21; at. wt. 44.95591; m.p. 1,541℃; b.p. 2,831℃; sp. gr. 2.99 at 20℃; valence +3. Scandium is a soft silver-white metal...

daylight saving time

(Encyclopedia)daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...

Lampman, Archibald

(Encyclopedia)Lampman, Archibald, 1861–99, Canadian poet, b. Ontario. A post office employee all his life, he was a noted nature poet. His work appeared in Among the Millet (1888), Lyrics of Earth (1893), and Alc...

Ishtar

(Encyclopedia)Ishtar ĭshˈtär [key], ancient fertility deity, the most widely worshiped goddess in Babylonian and Assyrian religion. She was worshiped under various names and forms. Most important as a mother god...

granite

(Encyclopedia)granite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars. It usually contains small quantities of mica or hornblende, and minor accessory minerals...

Muggleton, Lodowicke

(Encyclopedia)Muggleton, Lodowicke, 1609–98, English religious leader, a journeyman tailor. With his cousin John Reeve, also a tailor, he founded a new sect, whose adherents were known as Muggletonians. In 1652, ...

celestial pole

(Encyclopedia)celestial pole, one of the two points at which the earth's axis of rotation intersects the celestial sphere. The celestial pole is important as a reference point in the equatorial coordinate system; t...