Added galaxy/universe measurements, tweaked sizes of such

recursive-macro.js

@@ -57,10 +57,10 @@ var areas =
   "Planet": 2.5e14,
   "Star": 3e18,
   "Solar System": 3e21,
-  "Galaxy": 2e42,
-  "Cluster": 2e46,
-  "Universe": 2e52,
-  "Multiverse": 2e55,
+  "Galaxy": 2e45,
+  "Cluster": 2e49,
+  "Universe": 7e53,
+  "Multiverse": 5e56,
   "Soldier": 1,
   "Tank": 10,
   "Artillery": 12,

units.js

@@ -211,9 +211,15 @@ function approxLength(m, singular=false) {
   } else if (m < 149.6e12) {
     let length = round(m/149.6e9,1);
     return length + (singular || length == 1 ? " AU" : " AUs");
-  } else {
+  } else if (m < 9.4607e22) {
     let length = round(m/9.4607e15,4);
     return length + (singular || length == 1 ? " light year" : " light years");
+  } else if (m < 5e26) {
+    let length = round(m/9.4607e21,3);
+    return length + (singular || length == 1 ? " galaxy" : " galaxies");
+  } else {
+    let length = round(m/4.40e26,3);
+    return length + (singular || length == 1 ? " universe" : " universes");
   }
 }