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Johann Gottfried Galle, (1812- 1910), was a German astronomer who on September 23, 1846, was the first to observe Neptune. He also suggested a method, of measuring the scale of the solar system through observing the parallax of asteroids.
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Johann Gottfried Wetzstein died in 1905.
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Johann Gottfried Büring died in 1788.
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Johann Gottfried Büring was born in 1723.
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Johann Gottfried Roesner was born in 1658.
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Johann Gottfried Koehler died in 1801.
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Johann Gottfried Auerbach died in 1753.
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