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DK Science: Space

UNIVERSEMATTER IN THE UNIVERSEOUR PLACE IN THE UNIVERSECROWDED CITYOUR PLANETTHE SOLAR SYSTEMOUR GALAXYTHE EXPANDING UNIVERSEWHERE SPACE BEGINSUNIVERSAL FORCESFIND OUT MOREBIG BANGTIMELINE OF THE…

Cyrus ALDRICH, Congress, MN (1808-1871)

ALDRICH, Cyrus, a Representative from Minnesota; born in Smithfield, R.I., June 18, 1808; attended the common schools; followed the occupations of sailor, boatman, farmer, contractor on public…

James DE WOLF, Congress, RI (1764-1837)

Senate Years of Service: 1821-1825Party: Democratic Republican; Crawford RepublicanDE WOLF, James, a Senator from Rhode Island; born in Bristol, R.I., March 18, 1764; during the Revolutionary…

Louis Adams FROTHINGHAM, Congress, MA (1871-1928)

FROTHINGHAM, Louis Adams, a Representative from Massachusetts; born in Jamaica Plain, Mass., July 13, 1871; attended the public schools and Adams Academy; was graduated from Harvard University…

inclination

(Encyclopedia) inclination, in astronomy, the angle of intersection between two planes, one of which is an orbital plane. The inclination of the plane of the moon's orbit is 5°9′ with respect to the…

Friedrich, Caspar David

(Encyclopedia) Friedrich, Caspar DavidFriedrich, Caspar Davidkäsˈpär däˈfēt frēˈdrĭkh [key], 1774–1840, German romantic landscape painter. After studying painting in Copenhagen he visited various…

weight

(Encyclopedia) weight, measure of the force of gravity on a body (see gravitation). Since the weights of different bodies at the same location are proportional to their masses, weight is often used…

Lighthouses: FAQ

Source: The United States Coast Guard Our first lighthouses were actually given to us by Nature. Sailors sometimes used landmarks such as glowing volcanoes to guide them. In the Ancient World,…