diff --git a/main.rb b/main.rb
new file mode 100644
index 00000000..18f92a9b
--- /dev/null
+++ b/main.rb
@@ -0,0 +1,62 @@
+require_relative "planet"
+require_relative "solar_system"
+require "colorize"
+
+#welcome message"
+options = ["List Planets", "Planet Details", "Add Planet", "Exit"]
+puts "Welcome to our Solar System! You can do the following with this program.".light_yellow
+options.each do |option|
+  puts option.magenta
+end
+
+def main
+  #initialize solar system and planets
+  food_way = SolarSystem.new("Pad Thai Star")
+  burger = Planet.new("Burger", "brown", 23, 235, "Inhabitants of planet Burger really like to eat meat.")
+  salad = Planet.new("Salad", "green and others depending on time", 236, 235, "The planet Salad changes colors depending on the season.")
+  pho = Planet.new("Pho", "white and brown", 75, 234854, "The planet Pho always smells delicious.")
+
+  #add to solar system
+  food_way.add_planet(burger)
+  food_way.add_planet(salad)
+  food_way.add_planet(pho)
+
+  # control loop for program next steps
+  next_step = ""
+  until next_step == "exit"
+    puts "What would you like to do? Options - 'list planets', 'planet details', 'add planet', or 'exit'".light_cyan
+    next_step = gets.chomp.downcase
+    if next_step == "list planets"
+      list = food_way.list_planets.white
+      puts list
+    elsif next_step == "planet details"
+      puts "Which planet would you like to learn more about?"
+      user_planet = gets.chomp
+      found_planet = food_way.find_planet_by_name(user_planet)
+      if found_planet == nil
+        puts "Sorry, that planet does not exist in the Food Way Solar System. Check your spelling or try a different planet.".red.on_blue
+      else
+        puts found_planet.summary.light_magenta
+      end
+    elsif next_step == "add planet"
+      puts "What planet would you like to add?"
+      new_planet = gets.chomp.capitalize
+      puts "What color is it?"
+      planet_color = gets.chomp
+      puts "How heavy is it - in kilograms?"
+      planet_mass = gets.chomp.to_i
+      puts "How far from the sun is it - in kilometers?"
+      planet_distance = gets.chomp.to_i
+      puts "Enter a fun fact!"
+      planet_fun = gets.chomp
+      adding_planet = Planet.new(new_planet, planet_color, planet_mass, planet_distance, planet_fun)
+      food_way.add_planet(adding_planet)
+    elsif next_step == "exit"
+      break
+    else
+      puts "This is not an option. Try again.".blue.on_white
+    end
+  end
+end
+
+main
diff --git a/planet.rb b/planet.rb
new file mode 100644
index 00000000..1277d093
--- /dev/null
+++ b/planet.rb
@@ -0,0 +1,17 @@
+class Planet
+  def initialize(name, color, mass_kg, distance_from_the_sun_km, fun_fact)
+    @name = name
+    @color = color
+    mass_kg.class != Integer || mass_kg < 0 ? @mass_kg = 0 : @mass_kg = mass_kg
+    distance_from_the_sun_km.class != Integer || distance_from_the_sun_km < 0 ? @distance_from_the_sun_km = 0 : @distance_from_the_sun_km = distance_from_the_sun_km
+    @fun_fact = fun_fact
+  end
+
+  attr_reader :name, :color, :mass_kg, :distance_from_the_sun_km, :fun_fact
+
+  def summary
+    summary = "Planet name: #{@name} \nColor: #{@color} \nWeight: #{@mass_kg} \nDistance from sun: #{@distance_from_the_sun_km} \nFun Fact: #{@fun_fact}"
+
+    return summary
+  end
+end
diff --git a/solar_system.rb b/solar_system.rb
new file mode 100644
index 00000000..a023c4ab
--- /dev/null
+++ b/solar_system.rb
@@ -0,0 +1,32 @@
+class SolarSystem
+  def initialize(star_name)
+    @star_name = star_name
+    @planets = []
+  end
+
+  attr_reader :star_name, :planets
+
+  def add_planet(planet_instance)
+    @planets.push(planet_instance)
+  end
+
+  def list_planets
+    output = "Planets orbiting #{@star_name}\n"
+    @planets.each_with_index do |planet, index|
+      output += "#{index + 1}" + ". " + planet.name + "\n"
+    end
+    return output
+  end
+
+  def find_planet_by_name(planet_name)
+    planet_name = planet_name.downcase.capitalize
+    @planets.each do |planet|
+      if planet.name == planet_name
+        return planet
+      else
+        object = planet
+      end
+    end
+    return nil
+  end
+end