physical coordinates
51Timeline of the Big Bang — Physical cosmology Universe · Big Bang …
52Dalandanan National High School — Coordinates: 14°42′32″N 120°57′25″E / 14.70889°N 120.95694°E / 14.70889; 120.95694 …
53de Sitter universe — Physical cosmology Universe · Big Bang …
54National University of La Plata — Coordinates: 34°54′46.69″S 57°57′04.88″W / 34.9129694°S 57.9513556°W / 34.9129694; 57.9513556 …
55Manila Science High School — Coordinates: 14°34′49.75″N 120°59′09.65″E / 14.5804861°N 120.9860139°E / 14.5804861; 120.9860139 …
56University of Kiev Faculty of Radiophysics — Coordinates: 50°22′57″N 30°28′15″E / 50.3825°N 30.47083°E / 50.3825; 30.47083 …
57Olympic Mountains — Coordinates: 47°50′N 123°50′W / 47.83°N 123.83°W / 47.83; 123.83 …
58Česká Lípa — Coordinates: 50°41′19″N 14°32′19″E / 50.68861°N 14.53861°E / 50.68861; 14.53861 …
59Mexican Plateau — Coordinates: 24°N 103°W / 24°N 103°W / 24; 103 …
60Mindelo (Vila do Conde) — Coordinates: 41°18′53″N 8°43′12″W / 41.31472°N 8.72°W / 41.31472; 8.72 …