Copernicus was the first to suggest it as part of a serious theory, in 1543.
The earliest recorded reference is the sighting by the Astronomer, Flamsteed who thought it was a star and listed as 34 Tauri.
earth
Earth
Ptolemy was the Roman astronomer who incorrectly argued that Earth was the center of the universe in his geocentric model. His theories dominated Western thought for over a thousand years.
Pluto was thought to be a planet until 2006, when it was named as a dwarf planet. The planet is thought to be very icy and at least 5 times smaller than Earth.
No. Copernicus was a fifteenth to sixteenth century astronomer who is widely credited with suggesting that the sun, not the Earth, was the center of the solar system.
a lot of people believed it for one person it was Ptolemy he made the geocentric model as in earth is at the center of the revolving planets and stars and if your all the way to 6ht grade your stupid
The planet Uranus was discovered by the British astronomer William Herschel on March 13, 1781. Herschel initially thought he had found a comet, but further observations revealed it to be a new planet.
I think that the Earth looks blue from outer space by an astronomer's eye is because the Earth is 75% water and 25% land. Since water is blue and there is a great quantity of it on the Earth, you spot the blue area first.
No, there's no such thing as Planet-X. It was a theoretical planet thought to be far out on the edge of the solar system, but was never found.
The astronomical star looked like it could be a planet because of its enormous size.
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.