Solar System

Saturn
Saturn

Here are the vital statistics of our near neighbors (using scientific notation):

  Mass Radius Velocity Dist from Sun
Sun 2.0 × 1030 kg 7.0 × 108 m    
Mercury 3.3 × 1023 kg 2.4 × 106 m 4.7 × 104 m/s 5.8 × 1010 m
Venus 4.9 × 1024 kg 6.0 × 106 m 3.5 × 104 m/s 1.1 × 1011 m
Earth 6.0 × 1024 kg 6.4 × 106 m 3.0 × 104 m/s 1.5 × 1011 m
Moon 7.3 × 1022 kg 1.7 × 106 m 1.0 × 103 m/s  
Mars 6.4 × 1023 kg 3.3 × 106 m 2.4 × 104 m/s 2.3 × 1011 m

Quite amazing when you think how small is the mass of the particles they are made from:

  • proton (mass of 1.6726 × 10-27 kg)
  • neutron (mass of 1.6749 × 10-27 kg)
  • electron (mass of 9.108 × 10-31 kg)