Planets
Planets
compute location and 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
distance to Saturn
birthdays of the discoverers of Neptune
compare properties of multiple planets
escape velocity Earth, Mars
distance Saturn, Uranus, Neptune
do computations using properties of planets
(mass Saturn+Uranus+Neptune) / (mass Jupiter)
compute the distance to the horizon