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aether
(Encyclopedia)aether: see ether, in physics and astronomy. ...Abel, son of Adam and Eve, in the Bible
(Encyclopedia)Abel, in the Bible, son of Adam and Eve, a shepherd, killed by his older brother, Cain; in the Gospel of St. Matthew, mentioned as the first martyr. ...fault
(Encyclopedia)CE5 Types of faults fault, in geology, fracture in the earth's crust in which the rock on one side of the fracture has measurable movement in relation to the rock on the other side. Faults on othe...Ultima Thule
(Encyclopedia)Ultima Thule, in astronomy and space exploration, nickname for Arrokoth. ...precession of the equinoxes
(Encyclopedia)CE5 Precession of the equinoxes (the points at which the earth's celestial equator intersects its ecliptic) is due to the slow rotation of the earth's axis around a perpendicular to the ecliptic. ...Marbut, Curtis Fletcher
(Encyclopedia)Marbut, Curtis Fletcher märˈbət [key], 1863–1935, American geologist, b. Verona, Mo., grad. Univ. of Missouri (B.S., 1889) and Harvard (M.A., 1844). As professor of geology at the Univ. of Missou...terrestrial planet
(Encyclopedia)terrestrial planet, the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth, Mercury, Venus, and Mars. These planets a...Jodrell Bank Observatory
(Encyclopedia)Jodrell Bank Observatory jôdˈrəl [key], observatory for radio astronomy located at Jodrell Bank, Macclesfield, England. Founded in 1945 on the site of a botanical experiment station, it is administ...Antaeus
(Encyclopedia)Antaeus ăntēˈəs [key], in Greek mythology, giant; son of Poseidon and Gaea, the goddess of the earth. He became stronger whenever he touched the earth, his mother. He killed everyone with whom he ...space science
(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...Browse by Subject
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