Then, on the night of September 23, 1846, astronomer Johann Gottfried Galle observed what would be the eighth planet in our solar system: Neptune.

EIGHTH ROCK FROM THE SUN: Neptune was discovered by German astronomer Johann Galle on this day in 1846. The planet is 2.796 billion miles from the sun and takes 164.8 years to revolve around it.

On this day in 1846, Neptune is observed by the Berlin Observatory by astronomer Johann Gottfried Galle (assisted by Heinrich Louis d’Arrest), working from calculations of Urbain Le Verrier. It ...

HYDERABAD: On July 12, the planet Neptune is going to complete its first revolution around the sun from the day of its discovery on September 23, 1846 by Johann Galle. To impart better ...

1. Born this day in 1812, Johann Gottfried Galle was a German astronomer, who was the first person to view a new planet knowing exactly what he was looking at. While working at the Berlin ...

In 1846, French astronomer Urbain Leverrier calculated the position of this unseen planet, and sent the coordinates to another astronomer, Johann Galle, in Berlin.

On September 18, he sent them to the astronomer Johann Galle of the Berlin Observatory, where the letter arrived on September 23. That very night, Galle found the new planet, now called Neptune, ...

Astronomers have discovered three small moons at the farthest planets of our solar system — two circling Neptune and one around Uranus.

In 1846, Johann Gottfried Galle discovered Neptune, our solar system’s eighth planet, based on predictions made the previous year by the French astronomer Urbain Le Verrier.

He showed his calculations to the German astronomer Johann Galle, who aimed his telescope skyward and found the new planet — eventually named Neptune — on his very first night of searching!