(solar system))

- - (Astronomical unit A.U.) 1 A.U. = 150 - (Light year Ly)

59

(Mercury)

58 88

108 224.7 243 90

(Venus)

150 365.24 1 20

(The Earth)

(Mars) 228 687 24.6 7 1000 2.7

778 4332.6 9.8

(Jupiter)

(Saturn) 1427 29.457 10.2

2871 84 15.5

(Uranus)

4497 165 15.8

(Neptune)

-

(Comets) (Nucleus) (Coma) (Tail)

5