diff --git a/Moon.py b/Moon.py
index 02ef740..4d511cd 100644
--- a/Moon.py
+++ b/Moon.py
@@ -6,7 +6,7 @@ from game import Game
 EARTH_RADIUS = 30
 MOON_RADIUS = 10
 MOON_DISTANCE = 100.0
-MOON_ANGLE = 0.01
+theta = 0.01
 
 BLACK = (0, 0, 0)
 BLUE = (0, 0, 255)
@@ -17,14 +17,14 @@ class Moon(Game):
     """Der Mond kreist um die Erde."""
 
     def __init__(self, title="Moon", fps=60, size=(640, 400)):
-        super().__init__(title, fps, size)
+        super().__init__(title, fps, size) # Ruft Konstruktor von Game auf
         self.center_x = size[0] // 2
-        self.center_y = size[1] // 2
+        self.center_y = size[1] // 2 # Center position von Erde
         self.init_positions()
 
     def init_positions(self):
         self.position_moon = (MOON_DISTANCE, 0.0)
-        self.rot_moon = rot_2D(MOON_ANGLE)
+        self.rot_moon = rot_2D(theta)
 
     def rotate_point(self, position, rotation):
         result = matmul(rotation, [[position[0]], [position[1]]])
diff --git a/apollo.py b/apollo.py
index 2d0a10a..8fbfdee 100644
--- a/apollo.py
+++ b/apollo.py
@@ -1,11 +1,11 @@
 import pygame
 
-from Moon import MOON_ANGLE, Moon
+from Moon import Moon
 from compute import rot_2D
 
 APOLLO_DISTANCE = 40.0
 APOLLO_RADIUS = 5
-APOLLO_ANGLE = -2 * MOON_ANGLE
+theta = -0.02
 RED = (255, 0, 0)
 
 
@@ -18,7 +18,7 @@ class Apollo(Moon):
     def init_positions(self):
         super().init_positions()
         self.position_apollo = (APOLLO_DISTANCE, 0.0)
-        self.rot_apollo = rot_2D(APOLLO_ANGLE)
+        self.rot_apollo = rot_2D(theta)
 
     def update_positions(self):
         super().update_positions()