Final exam version

UML_objects_start.puml

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+@startuml
+
+object system {
+    paused = False
+    show_orbits = True
+}
+
+object star1 {
+    name = "Star 1"
+    planets = 11
+    mass = 1.989e30
+}
+
+object star2 {
+    name = "Star 2"
+    planets = 12
+    mass = 1.650e30
+}
+
+object planet1 {
+    orbit_number = 1
+    orbit_radius = 70
+    direction = 1
+}
+
+object planet2 {
+    orbit_number = 2
+    orbit_radius = 85
+    direction = -1
+}
+
+object planet12 {
+    orbit_number = 1
+    orbit_radius = 80
+    direction = 1
+}
+
+object planet13 {
+    orbit_number = 1
+    orbit_radius = 80
+    direction = 1
+}
+
+system -- star1
+system -- star2
+star1 -- planet1
+star1 -- planet2
+star2 -- planet12
+star2 -- planet13
+
+@enduml