diff --git a/sim_scenes/sci_pop/sun_earth_moon.py b/sim_scenes/sci_pop/sun_earth_moon.py
index ad31567aa4bac20dd997c58b7c0d4e986692075f..dc21ede2bb3660289874b0ad9746720d46474758 100644
--- a/sim_scenes/sci_pop/sun_earth_moon.py
+++ b/sim_scenes/sci_pop/sun_earth_moon.py
@@ -214,7 +214,7 @@ class SunEarthMoonSim(UniverseSimScenes):
         # UrsinaConfig.trail_type = "curve_line"
         UrsinaConfig.trail_type = "line"
         UrsinaConfig.trail_length = 860
-        UrsinaConfig.trail_length = 40
+        # UrsinaConfig.trail_length = 40
 
         UrsinaConfig.trail_thickness_factor = 2
         UrsinaConfig.run_speed_factor = 20