Constants

The speed of light and the value of the acceleration due to gravity should be known from memory.

c = 3.0 $\times 10^5$ km s^-1 = 3.0 $\times 10^8$ m s^-1

g = 10 m s^-2 (or 9.8m s^-2 if you prefer but the math is easier with 10!)

Other constants used in this class (but not needed to be known from memory) are:

G = Universal Constant of Gravitation = 6.67 $\times 10^{-11}$ N m² kg^-2

$\rm M_{\odot}$ = Solar Mass = 2.0 $\times 10^{30}$kg

AU = 1.496 $\times 10^8$km = 1.498 $\times 10^{11}$m