Columbia Encyclopedia

Search results

500 results found

Betelgeuse

(Encyclopedia)Betelgeuse bētˈəljo͞ozˌ [key], bright star in the constellation Orion; Bayer designation α Orionis; 1992 position R.A. 5h54.8m, Dec. +7°24′. A red supergiant with a luminosity about 13,000 ti...

ziggurat

(Encyclopedia)CE5 Ziggurat ziggurat zĭgˈo͝orăt [key], form of temple common to the Sumerians, Babylonians and Assyrians. The earliest examples date from the end of the 3d millenium b.c., the latest from the...

Takahata, Isao

(Encyclopedia)Takahata, Isao, 1935–2018, Japanese animator. One the most influential directors of Japanese animated films (anime), he joined Tokyo's Toei animation studio in 1959. His first feature film, Hols: Pr...

sidereal time

(Encyclopedia)sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star appears twice on ...

phthalates

(Encyclopedia)phthalates, family of chemical compounds made from alcohols and phthalic anhydride, C6H4(CO)2O. Oily, colorless, odorless liquids that do not evaporate readily, they are used primarily to make polyvin...

Campanella, Tommaso

(Encyclopedia)Campanella, Tommaso tōm–mäˈzō kämpänĕlˈlä [key], 1568–1639, Italian Renaissance philosopher and writer. He entered the Dominican order at the age of 15, and although he was frequently in ...

Cancer, in astronomy

(Encyclopedia)Cancer [Lat.,=the crab], in astronomy, constellation lying on the ecliptic (the sun's apparent path through the heavens) between Gemini and Leo; it is a constellation of the zodiac. It contains the st...

Poston, Charles Debrill

(Encyclopedia)Poston, Charles Debrill pōsˈtən [key], 1825–1902, American explorer and author, b. Hardin co., Ky. After practicing law in Tennessee, he moved to California in 1850 and from there led a party to ...

Pisces

(Encyclopedia)Pisces pīˈsēz [key] [Lat.,=the fishes], constellation lying directly S of Andromeda and on the ecliptic (the sun's apparent path through the heavens) between Aries and Aquarius; it is one of the co...

‘Oumuamua

(Encyclopedia)‘Oumuamua ōmo͞oˈəmo͞oˈə [key], officially 1I/2017 U1 (‘Oumuamua), interstellar object, the first to be discovered in the solar system. Highly variable in brightness, it also is highly and u...

Browse by Subject