Update default values for some DU assets

data/assets/scene/digitaluniverse/backgroundradiation.asset

@@ -54,7 +54,7 @@ local planck = {
         Enabled = false,
         Size = 3975.41417036064E23,
         Segments = 80,
-        Alpha = 0.5,
+        Alpha = 0.3,
         Texture = textures .. "/cmb4k.jpg",
         Orientation = "Inside/Outside",
         FadeInThreshould = 8E26

data/assets/scene/digitaluniverse/quasars.asset

@@ -28,8 +28,8 @@ local object = {
         Unit = "Mpc",
         ScaleFactor = 537.31,
         -- Fade in value in the same unit as "Unit"
-        FadeInDistances = { 300.0, 1000.0 },
-        BillboardMaxSize = 50.0,
+        FadeInDistances = { 1000.0, 10000.0 },
+        BillboardMaxSize = 30.0,
         BillboardMinSize = 0.0,
     },
     GuiPath = "/Universe/Quasars"

data/assets/scene/digitaluniverse/sdss.asset

@@ -31,7 +31,7 @@ local object = {
         Texture = textures .. "/point3.png",
         Unit = "Mpc",
         -- Fade in value in the same unit as "Unit"
-        FadeInDistances = { 45.0, 90.0 },
+        FadeInDistances = { 220.0, 650.0 },
         BillboardMaxSize = 50.0,
         BillboardMinSize = 0.0,
         TextSize = 14.8,

data/assets/scene/digitaluniverse/tully.asset

@@ -41,7 +41,7 @@ local tullyPoints = {
         },
         Unit = "Mpc",
         -- Fade in value in the same unit as "Unit"
-        FadeInDistances = {0.05, 1.0},
+        FadeInDistances = { 0.05, 1.0 },
         -- Max size in pixels
         BillboardMaxSize = 50.0,
         BillboardMinSize = 0.0,