Astronomy & Earth · Space
Exoplanets & the Search for Life
From the first exoplanet around a Sun-like star in 1995 to 6,000+ confirmed: transit and radial-velocity methods, the habitable zone, JWST atmospheres, biosignatures and the Drake equation.
Step 1 of 5 · Overview25 min read ·
Key idea
Prereqs: Stars & the solar system. Next: AI for science; Cosmology. Sources: NASA Exoplanet Archive; Mayor & Queloz, *Nature* (1995); Seager, 'The future of spectroscopic life detection', *PNAS* (2014).Next: 1. How we find them