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Grimaldi, Francesco Maria
(Encyclopedia) Grimaldi, Francesco MariaGrimaldi, Francesco Mariafränchāsˈkō märēˈä grēmälˈdē [key], 1618?–1663, Italian physicist and mathematician. A Jesuit and professor at Bologna, he studied in…Bouguer, Pierre
(Encyclopedia) Bouguer, PierreBouguer, Pierrepyĕr b&oomacr;gĕrˈ [key], 1698–1758, French mathematician and hydrographer. He made some of the first photometric measurements, calculating the…Ledyard, John
(Encyclopedia) Ledyard, JohnLedyard, Johnlĕdˈyərd [key], 1751–89, American adventurer, b. Groton, Conn. He studied at Dartmouth for year, but left college to ship as a sailor. In 1776 he joined Capt…windsurfing
(Encyclopedia) windsurfing, also called boardsailing or sailboarding, water sport that employs a board-and-sail device and combines elements of sailing and surfing. The sailboard was first developed…Eris, in astronomy
(Encyclopedia) Eris, in astronomy, the largest known dwarf planet. Eris, whose highly eccentric elliptical orbit ranges from 38 AU to 97 AU and is inclined more than 44°, is the largest known object…Halley, Edmond
(Encyclopedia) Halley, EdmondHalley, Edmondhălˈē, hôˈlē [key], 1656–1742, English astronomer and mathematician. He is particularly noted as the first astronomer to predict the return of a comet and…Sun, Moon, and Stars: April 2000
Movement of the heavenly bodies: April, 2000 April Calendar Day Phenomenon Hour (UT) Hour (EST) 2 Mercury is 1 degree 6 minutes north of the Moon. 1200 7 am 3…Sun, Moon, and Stars: April 2001
Movement of the heavenly bodies: April 2001 April Calendar Moon Phase Day Phenomenon Hour (UT) Hour (EST) 1 FIRST QUARTER 1100 6 am 5 The Moon is at…Sun, Moon, and Stars: April 2002
April 2002 Overview Week by Week Go to week 1 | 2 | 3 | 4 | 5 Major phenomena…Sun, Moon, and Stars: August 2000
Movement of the heavenly bodies: August 2000 August Calendar Moon Phase Day Phenomenon Hour (UT) Hour (EST) 2 Pallas, the second-largest asteroid, is 0 degrees 0…Trending
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