Mercury

Mercury

    Mercury is the planet nearest to the Sun . We can observe this planet by using an astronomical telescope . Mercury does not have air or living things on it .

    The diameter of Mercury is 4879km . Mercury takes 88 days to make one revolution around the Sun and 59 days to make one complete rotation about its own axis .

    Because Mercury has no atmosphere , its highest temperature is 427°C and the lowest is -173°C .

    The surface of Mercury is full of craters much like the surface of the Moon . Many big craters are named after famous artists like Beethoven, Mozart and others .