Because they are roughly like the Earth.
The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars.
Inner planets are also known as Terrestial planets which means they all have a rocky surface.
The inner planets are also known as terrestrial planets. They are Mercury, Venus, Earth, and Mars. These planets are composed primarily of rock and metal and are located closer to the sun compared to the outer planets.
Terrestrial planets are Mercury, Venus, Earth, and Mars. Gas planets are Jupiter, Saturn, Uranus, and Neptune. Terrestrial planets have solid rocky surfaces, while gas planets are primarily composed of gases and have no solid surface.
the inner planets are sometimes called Terrestrial Planets
Of the inner four terrestrial planets in our solar system - Mercury, Venus, Earth and Mars - Mercury has almost no atmosphere.
The four inner, rocky planets are also known as the terrestrial planets (Mercury, Venus, Earth and Mars), they have a clearly defined terrain (unlike the four outer gas giant planets).
no the inner planets are called "inner" planets bcuz there closer
Mercury, Venus, Earth, and Mars are called the inner planets.
There are four planets called the "inner planets".Of those, Mercury is the innermost planet.From the sun the planets areMercuryVenusEarthMarsJupiterSaturnUranusNeptunePluto
The inner planets
terrestrial planets