Planets
Planets
compute location and get properties of a planet
Saturn
fourth planet
compute the location of a planet on a specified date
Venus 14 Jan 2001
find the current phase of an inferior planet
Venus phase
compare several planets
Venus, Earth, Mars
display a map of a planet
map of Venus
Properties of Planets
get a property of a planet
Jupiter mass
Mars rotation period
rotational velocity of Earth
compare properties of multiple planets
escape velocity Earth, Mars
distance Saturn, Uranus, Neptune
do computations using properties of planets