Try again, you've made a mistake. We are not quite up to the 26th Century yet.
It was in the18th century that Uranus was identified as a planet. It had been observed in the previous century, but was thought to be a star.
At the end of the 17th century the furthest planet known was Saturn, and it had been known in ancient times. Uranus was discovered in 1783, Neptune in 1846.
Galileo first observed the planet Mercury through his telescope in 1610.
The planet Neptune was the second last planet to be discovered in our solar system. It was officially discovered in 1846 by Johann Gottfried Galle, based on mathematical predictions by Urbain Le Verrier.
Jupiter is the planet with Galilean moons orbiting it. These four large moons were discovered by Galileo Galilei in the early 17th century and are named Io, Europa, Ganymede, and Callisto.
Neptune
Neptune.
It was in the18th century that Uranus was identified as a planet. It had been observed in the previous century, but was thought to be a star.
At the end of the 17th century the furthest planet known was Saturn, and it had been known in ancient times. Uranus was discovered in 1783, Neptune in 1846.
The last planet to discover during the 20th century was Pluto. But it's a dwarft planet so it should maybe be Neptune.
The planet was known to the ancient Assyrians way back in the 14th Century. There are no records of the individual who discovered it.
In "modern times" as we know them, Uranus was the first planet discovered. All the other planets known to then were visible to the naked eye from earth, and, thus, were known to ancients. It is exceptionally dim and moves very slowly in its orbit. Uranus was discovered by William Hershel, who saw it in a telescope and announced his discovery on March 13, 1781. The Neptune was discovered in 1846.
Mercury is the closest planet to the sun and because of this, it can only be seen at twilight. The planet was discovered in 14th century BC and it has no known satellites.
The cast of 26th Century Fox - 2014 includes: Juri Ueno as Fumiko sawano
Which planet?
26th century B.C.
No planet was discovered in 1932. You probably mean Pluto. That was discovered in 1930. It has since been downgraded to a "dwarf planet".