The 2010 Dietary Guidelines for Americans recommends eating within the following ranges: 1  Carbohydrates: 45-65% of calories. 2  Fat: 20-35% of calories. 3  Protein: 10-35% of calories.
The terrestrial planets Mercury, Venus, Earth, and Mars, sizes to scale. A terrestrial planet, telluric planet or rocky planet is a planet that is composed primarily of silicate rocks or metals.Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars.The terms terrestrial planet and telluric planet are derived from Latin words for Earth (Terra and Tellus), as these planets are, in terms of composition, Earth-like.ercury, Venus, Earth, and Mars. The terms terrestrial planet and telluric planet are derived from Latin words for Earth (Terra and Tellus), as these planets are, in terms of composition, Earth-like.
From left to right: Mercury, Venus, Earth, and Mars. A terrestrial planet is mostly made of rock (silicate) Earth is the original terrestrial planet. When astronomers started understanding the kinds of planet they extended the term to include our nearest rocky neighbours: Mercury, Venus and Mars.It is often said that they are similar to Earth. terrestrial planet is mostly made of rock (silicate) Earth is the original terrestrial planet. When astronomers started understanding the kinds of planet they extended the term to include our nearest rocky neighbours: Mercury, Venus and Mars. It is often said that they are similar to Earth.