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--- courses:ast100:4 [2024/11/23 00:30] – asad
+++ courses:ast100:4 [2026/01/12 03:22] (current) – asad
@@ Line 1: / Line 1: @@
 ====== 4. Planetary Age ======
-===== - Birth of Planetary Systems =====
+===== - Birth of the Solar System =====
 {{:bn:courses:ast100:planet-formation.webp?nolink|}}
-===== - Solar System =====
-{{:un:helios.webp?direct}}
-{{:bn:courses:ast100:planets.webp?nolink|}}
+===== - Solar System =====
+{{:bn:courses:ast100:helios.webp?nolink}}
+{{:bn:courses:ast100:ss-planets-motion.webp?nolink|}}
+{{:bn:courses:ast100:ss-planets-structure.webp?nolink|}}
+==== Saturn's Rings ====
+{{https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Saturn_diagram.svg/1280px-Saturn_diagram.svg.png?nolink}}
 ===== - Earth =====
-{{:bn:courses:ast100:earth.webp?nolink|}}
 {{:bn:courses:ast100:atmosphere-magnetosphere.webp?nolink|}}
-{{youtube>q-ng6YpxHxU?large}}
-\\
-===== - Methods of Detecting Planets =====
-{{youtube>IiCRZmrgB9g?large}}
-\\
-{{youtube>TbNGEkAuAjU?large}}
-\\
+{{:bn:courses:ast100:earth.webp?nolink|}}
-===== - Classification of Planets =====
-{{:bn:courses:ast100:exoplanets.webp?nolink|}}
+{{https://upload.wikimedia.org/wikipedia/commons/f/f2/Tectonic_plate_model_1Ga.webm?nolink&800}}
+===== - Detecting Planets =====
+{{youtube>TbNGEkAuAjU?large}}
+\\
+{{https://upload.wikimedia.org/wikipedia/commons/4/48/Hr8799_orbit_hd.gif?nolink&500}}
+{{:bn:courses:ast100:transits.webp?nolink&650|}}
+{{youtube>IiCRZmrgB9g?large}}
+\\
+===== - Classification of Planets =====
+{{:bn:courses:ast100:planets-r-m.webp?nolink|}}
+{{:bn:courses:ast100:planets-r-p.webp?nolink&800|}}