Exoplanets and the Search for Life
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How we find worlds around other stars and look for signs of life.
14 content steps
5 quizzes
~285 minutes
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Journey Overview
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Journey Steps
Preview
1
Content Step 1
Content
What is an exoplanet?
2
Content Step 2
Content
How the transit method works
3
Content Step 3
Content
Radial velocity (Doppler wobble) basics
4
Quiz 4
Quiz
Checkpoint Quiz
5
Content Step 5
Content
Direct imaging and microlensing in brief
6
Content Step 6
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Kepler and TESS: planet‑hunting telescopes
7
Content Step 7
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Planet types: hot Jupiters, super‑Earths, mini‑Neptunes
8
Quiz 8
Quiz
Checkpoint Quiz
9
Content Step 9
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Habitable zone and why it is only a start
10
Content Step 10
Content
Atmospheres: spectra and what we can learn
11
Content Step 11
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Potential biosignatures (O₂, O₃, CH₄) and caveats
12
Quiz 12
Quiz
Checkpoint Quiz
13
Content Step 13
Content
JWST breakthroughs on exoplanet atmospheres
14
Content Step 14
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Formation and migration of planetary systems
15
Content Step 15
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Famous systems: TRAPPIST‑1, Proxima b, 51 Pegasi b
16
Quiz 16
Quiz
Checkpoint Quiz
17
Content Step 17
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SETI and technosignatures: listening for technology
18
Content Step 18
Content
Future missions: Roman, ARIEL, and LIFE concepts
19
Quiz 19
Quiz
Checkpoint Quiz
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