Because earth has the ideal conditions for biological life, as we know; it to exist
Venus
Earth and Mars, along with Mercury and Venus, are rocky planets.
Mercury, Venus, Earth, and Mars are the 4 inner planets.
Earth-like planets are often referred to as terrestrial planets, which are rocky planets similar in composition and size to Earth. These planets typically have solid surfaces, as opposed to gas giants or ice giants. Some examples of terrestrial planets in our solar system include Mercury, Venus, Earth, and Mars.
The non-gaseous planets, called Rocky planets are Mercury, Venues, Earth and Mars.
Just the one - called Earth
Venus
Because they are roughly like the Earth.
Venus and Earth. They are often called brother planets.
They are called the terrestrial planets because they are similar to Earth (in fact one of them is Earth.
Earth and Mars, along with Mercury and Venus, are rocky planets.
The inner planets are known as terrestrial planets, because you can stand on them and they have a solid surface. The inner planets are: * Mercury * Venus * Earth; and * Mars
Mercury, Venus, Earth and Mars are often called terrestrial planets.
Earth
Because earth has the ideal conditions for biological life, as we know; it to exist
The Earth, and all rotating planets, rotates on its axis.
Mercury, Venus, Earth, and Mars are the 4 inner planets.