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    Mary Watson Whitney: 1847-1921; Mary Watson Whitney was an American astronomer and for 22 years the head of the Vassar Observatory. During her career she concentrated on teaching and research related to double stars, variable stars, asteroids, comets, and measurements by photographic plates. Whitney was a fellow of the American Association for the Advancement of Science and a Charter Member of the Astronomical and Astrophysical Society.

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    Edwin Hubble, astronomer and cat lover.Edwin Hubble and Copernicus the cat

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    Ole Rømer (1644 – 1710) was a Danish astronomer who in 1676 made the first quantitative measurements of the speed of light. He also developed the meridian circle, which later became astronomy's most accurate instrument for measuring position, as well as the altazimuth and the Passage Instrument. He proposed a temperature scale in 1701.

    Speed of Light May Not be Constant « Science World

    blogs.voanews.com

    "Amalie Emmy Noether (23 Mar 1882 – 14 Apr 1935) influential German mathematician known for her groundbreaking contributions to abstract algebra and theoretical physics. Described by Pavel Alexandrov, Albert Einstein, Jean Dieudonné, Hermann Weyl, and Norbert Wiener as the most important woman in the history of mathematics, she revolutionized the theories of rings, fields, and algebras. In physics, Noether's theorem explains the fundamental connection between symmetry and conservation laws."

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    Robert E. Peary’s 1909 attempt to reach the North Pole. Although he claimed that his team made it, questions remain about whether they actually reached the correct geographic location.

    Flashback Firsts - 125th Anniversary - National Geographic

    nationalgeographic.com

    Sir Ranulph Fiennes (British explorer adventurer) First man to visit the North and South Poles, cross the Anartica by foot and climbing to the summit of Mt. Everest. He is considered the world's greatest living explorer.

    3-SpA-B: Arctic Explorers

    spa-b.blogspot.com

    "Alessandro Giuseppe Antonio Anastasio Volta (18 Feb 1745 – 5 Mar 1827) was an Italian physicist credited with the invention of the first electrical battery, the Voltaic pile, which he invented in 1799 . . .With this invention Volta proved that electricity could be generated chemically and debased the prevalent theory that electricity was generated solely by living beings."

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    Apollo Missions

    NASA Apollo Missions

    earthlyissues.com

    Leif Ericson - was an explorer regarded as the first European to land in North America (excluding Greenland), nearly 500 years before Christopher Columbus

    Leif Erikson - Wikipedia, the free encyclopedia

    en.wikipedia.org

    J. Robert Oppenheimer, born on April 22, 1904, was the scientific director of the Manhattan Project, the World War II project that developed the first nuclear weapons. He strongly opposed the development of the hydrogen bomb, however, and in 1953 was suspended from secret nuclear research as an alleged communist sympathizer, a case backed by Edward Teller. In 1963 he was reinstated and awarded the Enrico Fermi Award.

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    Steve Jobs in 1977 introduces the new Apple II computer

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    Marco Polo (1254 –1324) was a Venetian traveler whose travels are recorded in Il Milione, a book which introduced Europeans to Central Asia & China. His father & uncle, traveled through Asia & met Kublai Khan. In 1269, they returned to Venice to meet Marco.The three of them embarked on an epic Asian journey, returned 24 years later to find Venice at war with Genoa; Marco was imprisoned & dictated his stories to a cellmate. Released c.1299, became a wealthy merchant, married and had 3 children.

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    Ferdinand Magellan (1480 -1521) was a Portuguese explorer and served King Charles I of Spain. Magellan's expedition of 1519–1522 became the first expedition to sail from the Atlantic Ocean into the Pacific Ocean (then named "peaceful sea" by Magellan and the first to cross the Pacific. It also completed the first circumnavigation of the Earth, although Magellan himself did not complete the entire voyage, being killed during the Battle of Mactan in the Philippines

    Ferdinand Magellan

    poster.4teachers.org

    Collector's Rock and Fossil Specimen Cabinet ca. 1850

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    Galileo

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    Galileo Galilei quote

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    Steve Jobs with an Apple II in 1980, the year the company went public

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    Fossil record

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    Infrared image of Mount St. Helens, Washington. Julie Griswold and Matt Logan. USGS

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    Wax model of mountain making experiments by Bailey Willis, 1891

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    grand adventure

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    Wilhelm Conrad Röntgen dicovered the X-Rays in 1895

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    Edwin Hubble - Discoverer of Galaxies - When Hubble began his career, the standard theory held that the Milky Way galaxy was the entirety of the universe. Through nightly observation, and the use of astronomic photography, Hubble proved that objects in the constellation Andromeda were at least one million light years away. In other words, there was more to the universe than the Milky Way. The universe was filled with galaxies!

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    Annie Smith Peck- Mountaineer. In 1894 she became third woman to scale the Matterhorn, and the first to do so in pants.

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    Chronoscopium Encyclicum. A Baroque period wheel chart (volvelle) published in Specula Physico-Mathematico-Historica, an encyclopedia of science. When constructed as a wheel chart, the concentric circles would be independently rotated to indicate hours, days, and months for specific events. In the four corners are quotes concerning the four seasons, while the quotes at bottom left and right are from the Roman poets Ovid and Gallus. Johann Zahn, 1695.

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