Astrobiology
Scholar (Ages 13-18)
Chirality and Amino Acids
Life's amino acids are all "left-handed." Why? It's one of biology's biggest mysteries — and a clue for finding alien life.
20 min
+20 XP
Stellar Habitable Zones
The "Goldilocks zone" is the orbital distance where liquid water can exist. Too close = too hot. Too far = too cold.
20 min
+20 XP
JWST Biosignature Search: How We Hunt for Life in Alien Atmospheres
Discover JWST Biosignature Search as a core part of Astrobiology. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
20 min
+20 XP
Mars Perseverance Samples
Discover Mars Perseverance Samples as a core part of Astrobiology. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
20 min
+21 XP
The RNA World: Life's Possible First Molecule
Discover RNA World Hypothesis as a core part of Astrobiology. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
20 min
+21 XP
Tidal Locking Effects
Discover Tidal Locking Effects as a core part of Astrobiology. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
20 min
+21 XP