It is comets.
Earth is called the "blue planet" because when viewed from space, the planet appears to be predominantly blue due to its abundant water bodies like oceans and seas. Water reflects sunlight and the Earth's atmosphere scatters sunlight in a way that makes the planet appear blue from outer space.
Water is abundant in space, the problem is rather that was the water exist in significant amount on any particulars 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.
Planet Earth is called the blue planet because when viewed from space, its oceans and atmosphere make it appear predominantly blue in color. The reflection of sunlight off the water gives Earth its distinct blue hue when seen from afar.
No, the blue color of the Earth when seen from outer space is given by the atmosphere, not by the water on it.
Pluto was the only planet not visited by a space mariner space probe.
Yes, if you were talking about size and looking if they both have mountains. There is no planet exactly like earth, because other planets in space don't contain life or bodies of water.
Earth is the only planet in our solar system that appears blue-green from space due to the presence of water and vegetation.
What is the smallest planet in space
Venus was the first planet on which a space probe landed.
you get in a space ship and go to a planet.