Velocity of electron % of light (v/c):

Relativistic electron mass = rest-mass of

Kinetic energy:a

Ton TNT equivalent:b

923 × 10 120 (9’ns in front)

Moon

6.597 × 10 39 J

1.58 × 10 30

884 × 10 122 (9’ns in front)

Earth

5.375 × 10 41 J

1.28 × 10 32

895 × 10 133 (9’ns in front)

Sun

1.787 × 10 47 J

4.27 × 10 37

895 × 10 145 (9’ns in front)

Milky Way

1.787 × 10 59 J

4.27 × 10 49