The answer is Mercury.
Mercury is the closest planets to the sun, and is `rocky` so is also the closest rocky (or terrestrial) planet.
Mercury is the smallest terrestrial planet, closest to sun
The planet Mercury is not only the smallest of the terrestrial planets in our Solar system, but it is also the one closest to the Sun.
Jupiter is the Jovian planet that is closest to the sun...
MercuryVenusEarthMars
In our Solar system, Jupiter is the largest planet. Venus is one of the four terrestrial or solid planets, closest to the Sun, but Earth is the largest terrestrial planet.
Mercury is the closest planet to the Sun
Mars is the farthest terrestrial planet from the Sun.
The closest planet to the sun is Mercury.
The planet closest to the sun is Mercury.
Mercury is the planet closest to the sun in our solar system.
The closest planet to the Sun is Mercury. It is a terrestrial planet composed primarily of rock and metal, with a thin atmosphere. Mercury's proximity to the Sun results in extreme temperature variations and a lack of substantial atmosphere to retain heat. Its surface is heavily cratered, similar to the Moon.