The person who fist saw planet Uranus is WilliamHerschel.
Actually John Flamsteed saw it first, but he didn't realise
it was a planet.
Johann Galle
I'd have to say the first scientist who saw the moon was the first one to look up in the sky...
it was the English scientist Robert hooke
Last year, scientist found a planet the called it Uranus.
The scientist who first observed cells was Robert Hooke. He observed cells in a piece of cork under a microscope in the 17th century and coined the term "cell" to describe the small compartments he saw.
Galileo Galilei, with his home made telescope.
The planet Uranus has 20 moons that scientist are currently aware of.
John Flamsteed, but he thought it was a star. William Herschel discovered it again later and identified it as a planet.
They used Spaceships
HASSAN SAJJAD A GREAT MUSLIM SCIENTIST was able to see atom for first time ever although he didnt knew about it he named it as *rasheed*
Clyde Tombaugh, an American astronomer, discovered Pluto in 1930 while working at the Lowell Observatory in Arizona. Pluto was the first object to be discovered in what would later be classified as the Kuiper Belt.
Antoine Phiips van Leewenhoek (1632-1723) Dutch tradesman and scientist, from Delft,Netherlands