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--- courses:ast100:5 [2024/12/05 09:32] – asad
+++ courses:ast100:5 [2026/01/12 03:23] (current) – asad
@@ Line 1: / Line 1: @@
 ====== 5. Chemical Age ======
-===== - Periodic table =====
-<html><iframe class="pubchem-widget" src="https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table&embed=true" style="width: 100%; height: 760px"></iframe>
-</html>
-===== - Stellar oven =====
+===== - Seas and Atmosphere =====
+{{:bn:courses:ast100:oxygen.webp?nolink&800|}}
+===== - Periodic Table =====
+[[https://pubchem.ncbi.nlm.nih.gov/periodic-table/|{{:bn:courses:ast100:periodic-table.webp?nolink|}}]]
 {{:bn:courses:ast100:starfurnace.webp?nolink|}}
-===== - Life on earth =====
+===== - Life on Earth =====
 {{:bn:courses:ast100:life.webp?nolink|}}
-{{:bn:courses:ast100:oxygen.webp?nolink&780|}}
-===== - Habitable zones =====
+{{:bn:courses:ast100:dna.webp?nolink&800|}}
+===== - Habitable Zone =====
 {{:bn:courses:ast100:habitable-zone.webp?nolink|}}
-===== - Detecting ET life =====
+{{https://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Diagram_of_habitable_zone_rocky_exoplanets%2C_from_NASA_Exoplanet_Archive_and_Gaia_DR3_data.png/1280px-Diagram_of_habitable_zone_rocky_exoplanets%2C_from_NASA_Exoplanet_Archive_and_Gaia_DR3_data.png?nolink}}
+===== - Searching for Life =====
 {{:bn:courses:ast100:spectra.webp?nolink|}}
 {{:bn:courses:ast100:transmission-spectra.webp?nolink|}}