t rex
There is no proof that Zeus exist. I do agree with the first answer that there is no proof that he exists but in Roman times Zeus was Jupiter. (he was not named after the planet, the planet was named after him.)
archarea
Yes. Neptune is the outermost planet in the solar system.
No, Planet X does not exist.
No. Such a planet could not exist.
Planet X does not exist - it was a hypothetical planet.
They do exist and they exist on a planet called pa2045 on a irregular galaxy
Planet X was nothing because it does not exist and never did.
Planet X does not exist.
Planet x does not exist.
i think that the first planet existed 4.7billion years ago. Because the Sun's age is thought to be 5billion years ago and the earth 4.5billion, scientists know that Earth was not the first planet.