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4 days ago · Jacqueline Kennedy Onassis. Jacqueline " Jackie " Lee Kennedy Onassis ( née Bouvier / ˈbuːvieɪ /; July 28, 1929 – May 19, 1994) was an American writer, book editor, and socialite who served as the first lady of the United States from 1961 to 1963, as the wife of former president John F. Kennedy. A popular first lady, she endeared herself ...
2 days ago · On July 4, 1997, NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, named Sojourner, was the first rover to successfully ...
5 days ago · Cassini–Huygens (/ k ə ˈ s iː n i ˈ h ɔɪ ɡ ən z / kə-SEE-nee HOY-gənz), commonly called Cassini, was a space-research mission by NASA, the European Space Agency (ESA), and the Italian Space Agency (ASI) to send a space probe to study the planet Saturn and its system, including its rings and natural satellites.
3 days ago · Mission Profile. During the cruise phase to Saturn, Huygens has been attached to Cassini and, in the main, dormant. Periodic checks of its status have been carried out and its health remains solid. The first two orbits around Saturn were designed to set up the necessary trajectory for deployment of the Huygens probe on the third orbit.
4 days ago · Born: December 27, 1571, Weil der Stadt, Württemberg [Germany] Died: November 15, 1630, Regensburg (aged 58) Notable Works: “Astronomia Nova” “Concerning the More Certain Fundamentals of Astrology” “De Stella Nova” “Epitome of Copernican Astronomy” “Harmonies of the World” “Prodromus Dissertationum Mathematicarum Continens Mysterium Cosmographicum”
- Johannes Kepler was an astronomer. He originally studied to be a theologian at the University of Tübingen. He became very interested in astronomy,...
- Johannes Kepler is best known for his three laws of planetary motion. These laws are:
- Johannes Kepler and his laws were a great influence on Isaac Newton. Newton came up with a law of gravity, which states that masses attract each ot...
- Johannes Kepler was born on December 27, 1571, in the town of Weil der Stadt in the duchy of Württemberg, now in Germany.
- After contracting a fever, Johannes Kepler died on November 15, 1630, in Regensburg, in the duchy of Bavaria, now in Germany. He had gone to Regens...
3 days ago · John Calvin (born July 10, 1509, Noyon, Picardy, France—died May 27, 1564, Geneva, Switzerland) was a theologian and ecclesiastical statesman. He was the leading French Protestant reformer and the most important figure in the second generation of the Protestant Reformation.
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2 days ago · Johnny Cash. John R. Cash (born J. R. Cash; February 26, 1932 – September 12, 2003) was an American singer-songwriter. Most of Cash's music contains themes of sorrow, moral tribulation, and redemption, especially songs from the later stages of his career. [3] [4] He was known for his deep, calm, bass-baritone voice, [a] [5] the distinctive ...