by Mark Hughes Since its inception in 1958, NASA has built several lines of spaceships that made space exploration reality rather than a dream limited to science fiction, as well…
Feast of the Trumpets remembers world's creation
by David Johnson
Rosh Hashanah begins September 13, 2015 Related Links Lost Tribes of Israel Branches of Judaism Yom Kippur…
(Encyclopedia) Grimaldi, Francesco MariaGrimaldi, Francesco Mariafränchāsˈkō märēˈä grēmälˈdē [key], 1618?–1663, Italian physicist and mathematician. A Jesuit and professor at Bologna, he studied in…
(Encyclopedia) Bouguer, PierreBouguer, Pierrepyĕr b&oomacr;gĕrˈ [key], 1698–1758, French mathematician and hydrographer. He made some of the first photometric measurements, calculating the…
(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…
(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…
(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…
(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…
X-RAY OF BINOCULARSREFRACTING TELESCOPEREFLECTING TELESCOPEFIND OUT MOREJust as our eyes cannot see small objects, so they cannot see things that are very far off. Even when things are millions of…
GOLD MASK WHO RULED THE INCA EMPIRE? HOW DID INCA SOCIETY FUNCTION? WHO WAS DESCENDED FROM THE SUN AND MOON? FIND OUT MOREThe Inca people lived in the Andes mountains of Peru. Between the 12th…
