create a small magnetosphere. Here are some interesting facts about Mercury. Mercury has no moons or satellites. Its atmosphere is composed of hydrogen, helium and sodium. The diameter of two and a half Mercury’s equals one Earth. Its mass and volume are 0.06 the times of Earths.Pg.3In 1880, Galileo, an Italian astronomer, studied Mercury by telescope. Mercury is very visible to the naked eye and can be seen during the nighttime hours. One of the chief problems with studding this planet is that it can never be seen against a completely dark back ground because it remains in the same part of the sky as the sun. It rises just before the Sun does, and falls before the Sunsets. In 1974, pictures from the Mariner confirm, Craters Mountains and no life on mercury. Around 1940-1941 a long telescope study of Mercury led to fairly inaccurate maps and a belief that Mercury has clouds, which was proved wrong in 1963. ...
