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--- un:earth [2023/05/25 11:22] – created asad
+++ un:earth [2023/05/25 11:23] (current) – asad
@@ Line 1: / Line 1: @@
 ====== Earth ======
-Earth is a near-perfect sphere with a radius of almost 6371 km. Its equatorial radius is 6378 km and polar radius 6357 km, the two varies by only by 21 km.
+Earth is a oblate spheroid with a mean radius of 6371 km. Its equatorial radius is 6378 km and polar radius 6357 km, the two vary by only 21 km.
-{{https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/EpicEarth-Globespin-tilt-23.4.gif/768px-EpicEarth-Globespin-tilt-23.4.gif?nolink}}
+{{https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/EpicEarth-Globespin-tilt-23.4.gif/768px-EpicEarth-Globespin-tilt-23.4.gif?nolink&400}}