SolarSystem.rb

# SolarSystem.rb

class Planet
 attr_accessor :name, :distance, :mass, :moons, :diameter
 def initialize(name, distance, mass, moons, diameter)
 @name = name
 @distance = distance
 @mass = mass
 @moons = moons
 @diameter = diameter
 end
 def to_s()
 return "Planet #{@name} has a mass of #{@mass}, #{@moons} moons, a diameter of #{@diameter} and is at a distance of #{@distance} from the sun."
 end
end

class SolarSystem

 def initialize(planets)
 @planets = planets
 end
 def add_Planet(planet)
 @planets << planets
 end
 def add_planets(planets)
 planets.each do |planet|
 @planets << planet
 end
 end
 def to_s()
 string = ""
 @planets.each do |planet|
 string += planet.to_s() + "\n"
 end
 end
end