Curiosities, games, challenges and quiz on various topics
Mercury, Venus, Earth and Mars, which are closest to the Sun, are the inner planets. Because they are made up of rocks and metals, they are also called rocky, terrestrial or telluric planets.
Characteristics:
• They are small, rocky, with a small mass and a high surface temperature;
• They describe short orbits;
• It has small translation periods, with the duration of the years also being small;
• They have high orbital speed;
• They have large rotation periods that correspond to long days;
• They have few or no moons and no rings.
