Daily Archives: July 11, 2019

July 11, 2011

On July 11, 2011, the planet Neptune completed its first orbit around the sun since it was discovered by Johann Gottfried Galle on September 23, 1846. It only took Neptune 165 years or 60,182 Earth days to complete a Neptunian year. In the time it took Neptune to make one complete orbit, the people of … Continue reading

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