... Mass . 1,3*10^22 kg . Density . 2100 kg/m^3 . The period of rotation . 6,38 days . The average distance from the Sun . ... The orbit’s slope . 17,3° . Pluto is the ninth from the Sun big planet of the solar system. It was discovered by P. Lovell . ...
... The maximum starting mass is near 47 t, the volume of the living parts - 12,7 m?. ... successfully carried the lunar expeditions (in 1962 - 1972 in "Apollo-11", -12, -14, -17). 12 cosmonauts landed in the Moon ...
... Mass . 6,42*10^23 kg . Density . 3930 kg/m^3 . The period of rotation . 24 h 37 min . The average distance from the Sun . ... Once a 15 - 17 years occures so-called the great opposition when the planets come nearer about 56 billions km. ...