Who discovered Neptune planet in which country and in which year?
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The planet Neptune was mathematically predicted before it was directly observed. With a prediction by Urbain Le Verrier, telescopic observations confirming the existence of a major planet were made on the night of September 23–24, 1846,[1] at the Berlin Observatory, by astronomer Johann Gottfried Galle (assisted by Heinrich Louis d'Arrest), working from Le Verrier's calculations. It was a sensational moment of 19th-century science, and dramatic confirmation of Newtonian gravitational theory. In François Arago's apt phrase, Le Verrier had discovered a planet "with the point of his pen".
In retrospect, after it was discovered, it turned out it had been observed many times before but not recognized, and there were others who made various calculations about its location which did not lead to its observation. By 1847, the planet Uranus had completed nearly one full orbit since its discovery by William Herschel in 1781, and astronomers had detected a series of irregularities in its path that could not be entirely explained by Newton's law of gravitation. These irregularities could, however, be resolved if the gravity of a farther, unknown planet were disturbing its path around the Sun. In 1845, astronomers Urbain Le Verrier in Paris and John Couch Adams in Cambridge separately began calculations to determine the nature and position of such a planet. Le Verrier's success also led to a tense international dispute over priority, because shortly after the discovery George Airy, at the time British Astronomer Royal, announced that Adams had also predicted the discovery of the planet.[2] Nevertheless, the Royal Societyawarded Le Verrier the Copley medal in 1846 for his achievement, without mention of Adams.[3]
The discovery of Neptune led to the discovery of its moon Triton by William Lassell just seventeen days later.[4]
In retrospect, after it was discovered, it turned out it had been observed many times before but not recognized, and there were others who made various calculations about its location which did not lead to its observation. By 1847, the planet Uranus had completed nearly one full orbit since its discovery by William Herschel in 1781, and astronomers had detected a series of irregularities in its path that could not be entirely explained by Newton's law of gravitation. These irregularities could, however, be resolved if the gravity of a farther, unknown planet were disturbing its path around the Sun. In 1845, astronomers Urbain Le Verrier in Paris and John Couch Adams in Cambridge separately began calculations to determine the nature and position of such a planet. Le Verrier's success also led to a tense international dispute over priority, because shortly after the discovery George Airy, at the time British Astronomer Royal, announced that Adams had also predicted the discovery of the planet.[2] Nevertheless, the Royal Societyawarded Le Verrier the Copley medal in 1846 for his achievement, without mention of Adams.[3]
The discovery of Neptune led to the discovery of its moon Triton by William Lassell just seventeen days later.[4]
joshibhairav891:
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NEPTUNE
Discoverers
- Urbain Le Verrier
- Johann Gottfried Galle
- John Couch Adams
Neptune was the first planet to be discovered by using mathematics.
- After the discovery of Uranus in 1781, astronomers noticed that the planet was being pulled slightly out of its normal orbit.
- ... They figured out not only where the planet was, but also how much mass it had
in 23 September 1846
NEPTUNE
Discoverers/Nationality
- French
Urbain Le Verrier
- German
Johann Gottfried Galle
- English
John Couch Adams
i hope it helps you.
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