Final exam version

UML_objects_end.puml

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+@startuml
+
+object system {
+    paused = False
+    show_orbits = True
+    total_planets = 23
+}
+
+object star1 {
+    x = center_x - 55
+    y = center_y
+}
+
+object star2 {
+    x = center_x + 55
+    y = center_y
+}
+
+object planet1 {
+    orbit_number = 1
+    orbit_radius = 70
+    angle = changed
+    mass = saved
+}
+
+object planet2 {
+    orbit_number = 2
+    orbit_radius = 85
+    angle = changed
+    mass = saved
+}
+
+object planet12 {
+    orbit_number = 1
+    orbit_radius = 80
+    angle = changed
+    mass = saved
+}
+
+object planet13 {
+    orbit_number = 1
+    orbit_radius = 80
+    angle = changed
+    mass = saved
+}
+
+system -- star1
+system -- star2
+star1 -- planet1
+star1 -- planet2
+star2 -- planet12
+star2 -- planet13
+
+@enduml