SCIENCE
PHYSICAL SCIENCES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1848
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1821
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1845
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1844
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Detailed explanation-1: -On the night of Sept. 23-24, 1846, astronomers discovered Neptune, the eighth planet orbiting around the Sun. The discovery was made based on mathematical calculations of its predicted position due to observed perturbations in the orbit of the planet Uranus .
Detailed explanation-2: -John Couch Adams, (born June 5, 1819, Laneast, Cornwall, Eng.-died Jan. 21, 1892, Cambridge, Cambridgeshire), British mathematician and astronomer, one of two people who independently discovered the planet Neptune.
Detailed explanation-3: -Neptune was supposedly discovered in 1846 by Johann Gottfried Galle using calculations by Urbain Le Verrier and John Couch Adams, making it a joint British-French-German discovery. But these astronomers were not the first to observe Neptune. That honor goes to the famous Italian astronomer Galileo Galilei.
Detailed explanation-4: -German astronomer Johann Galle discovered the planet on September 23, 1846. At the time, the discovery doubled the size of the known solar system.