When humans evolved and realized they were standing on something.
Planet earth was discovered at by humans at about 6000 B.C.
The first human, Ugghhh the Caveman, discovered it the first time he got mud between his toes, a VERY long time ago.
We are called Earth. "Blue Planet" is a nickname for Earth, since our planet comprises primarily of water.
Mars is The Earth's brother planet
planet earth is known for being the only planet to support life
destroy planet earth
the teacher who discovered the newest planet was Mrs. Munez living in paknaan new york city
The earth as planet was discovered by some of the ancient astronomers. Nicolaus Copernicus and Ptolemy are credited with provision of the initial information of the earth as a planet in relation to the solar system.
on planet earth
Earth...
earth
Oxygen was discovered by the very first species on planet Earth.
please type in the planet name. Earth (if it is) was known by our ancestors. The first modern human beings on the earth.
Jupiter
Jupiter
No planets have been discovered using a microscope.
Earth is the only planet that has been discovered and has life and a sustained/sustainable atmosphere to date.
He discovered that the Earth is a moving planet
The Earth Like Planet that was newly discovered in another solar system (no i am not lying they did find a new earth-like planets