Well that's easy: Mercury, Venus, Earth and Mars.
They are called Terrestrial planets.
The inner planets names are Jupiter, Saturn, Mercury, Venus.
The inner planets names are Jupiter, Saturn, Mercury, Venus.
They are called the TERRESTRIAL planets, because like Earth, they are solid rocky bodies, unlike Jupiter, Saturn etc which are termed GAS GIANTS. Venus and Mercury are also known as the inferior planets because their orbits lie within our own.