heterocyclic
heterocyclic Applied to a compound whose molecules contain a ring system composed of atoms of different elements.
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Hunting planets.(Brief Article)
Magazine article from: New Scientist; 11/4/2000; ; 700+ words
; ...in 1846, the German astronomer Johann Gottfried Galle also found an intriguing object...Joseph Le Verrier, as well as Galle himself. Standage weaves into...planet search, leaving the field to Galle. Nowadays the planets of our Solar...
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Today in History
Newspaper article from: Charleston Gazette; 9/23/2006; ; 301 words
; ...after setting out for the Pacific Northwest. * In 1846, Neptune was identified as a planet by German astronomer Johann Gottfried Galle. * In 1939, Sigmund Freud, the founder of psychoanalysis, died in London. * In 1957, nine black students...
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The Almanac.
News Wire article from: United Press International; 9/23/2003; 700+ words
; ...recorded overland journey from the Mississippi River to the Pacific Coast and back. In 1846, German astronomer Johann Gottfried Galle discovered the planet Neptune at the Berlin Observatory. Neptune generally is the eighth planet from the sun...
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 "Telegraph - Herald (Dubuque)")
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Almanac
Newspaper article from: Telegraph - Herald (Dubuque); 9/23/2004; ; 363 words
; ...have not yet begun to fight!" On this date: In 1846, the planet Neptune was discovered by German astronomer Johann Gottfried Galle. In 1939, Sigmund Freud, the founder of psychoanalysis, died in London. Today's birthdays: Actor Mickey...
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This day in history
Newspaper article from: The Boston Globe; 9/23/2009; 700+ words
; ...after setting out for the Pacific Northwest. In 1846, Neptune was identified as a planet by German astronomer Johann Gottfried Galle. In 1908, an apparent base-running error by Fred Merkle of the New York Giants cost his team a victory against...
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[ Today in HistoryToday is Saturday, Sept. 23, the 266th day of 2006. There are 99 days left in the year. Autumn arrives at 3:03 a.m.... ]
Newspaper article from: Daily Breeze; 9/23/2006; 616 words
; ...plot to surrender West Point to the British. In 1846, Neptune was identified as a planet by German astronomer Johann Gottfried Galle. In 1938, a time capsule, to be opened in the year 6939, was buried on the grounds of the World's Fair in...
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WANT TO SUBSCRIBE?
Newspaper article from: The Topeka Capital-Journal; 9/23/2008; 700+ words
; ...after setting out for the Pacific Northwest. 1846 -- Neptune was identified as a planet by German astronomer Johann Gottfried Galle. 1952 -- Republican vice-presidential candidate Richard M. Nixon went on television to deliver what came...
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Today in History - Sept. 23
News Wire article from: AP Online; 9/23/2006; 700+ words
; ...plot to surrender West Point to the British. In 1846, Neptune was identified as a planet by German astronomer Johann Gottfried Galle. In 1938, a time capsule, to be opened in the year 6939, was buried on the grounds of the World's Fair in...
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Searching the skies for a planet's subtle tug.(Features)(Ideas)
Newspaper article from: The Christian Science Monitor; 11/30/2000; 700+ words
; ...but Challis didn't bother to analyze the mass of data he collected. Meanwhile, Berlin Observatory staffer Johann Gottfried Galle took le Verrier's prediction and promptly found the prize. Challis then discovered that he would have seen...
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Tuesday, September 23
News Wire article from: AP Worldstream; 9/16/2003; ; 700+ words
; ...Spain signs treaty with Britain to end slave trade. 1846 - The planet Neptune is discovered by German astronomer Johann Gottfried Galle. 1912 - Chinese government declines six-power loan in favor of one from Birch, Crisp and Company of London...
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Johann Gottfried Galle
Book article from: The Columbia Encyclopedia, Sixth Edition
Johann Gottfried Galle , 1812-1910, German astronomer. He is noted for his discovery of...23, 1846, by following the guidance of calculations by Leverrier . Galle was then a member of the staff of the Berlin Observatory and had discovered...
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Galle, Johann Gottfried
Dictionary entry from: Complete Dictionary of Scientific Biography
Galle, Johann Gottfried ( b. Pabsthaus, near Gr ä fenhainichen, Germany...1812; d. Potsdam, Germany, 10 July 1910) astronomy . Galle was the son of J. Gottfried Galle and Henriette Pannier. He was born in an isolated house...
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Arrest, Heinrich Louis D’
Dictionary entry from: Complete Dictionary of Scientific Biography
...for discovering the comet 1845 I), when Johann Gottfried Galle got permission from Johann Franz Encke, director of the Berlin Observatory...announcement Encke mentioned only his staff member Galle and himself; it was not until 1877 that Galle...
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Neptune
Encyclopedia entry from: The Gale Encyclopedia of Science
...discovered in September 1846, by German astronomer Johann Gottfried Galle (1812 – 1910) in Berlin, on the first...this undiscovered planet. He sent his calculations to Galle, who then discovered Neptune. However, there is...
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Planet X
Encyclopedia entry from: The Gale Encyclopedia of Science
...planetary distances suggested by German astronomer Johann Elert Bode (1747 – 1826). However, a...1846, Neptune was discovered by German astronomer Johann Gottfried Galle (1812 – 1910) and Prussian astronomer...
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