The California Academy of Sciences in San Francisco has created a primer on NASA’s Kepler Mission. Kepler has found over 1200 planet candidates, 54 of them in the habitable or “Goldilocks” zone. How do we see these planets from so so so so so far away? We measure light!
What to watch next: ScienceCasts: Getting to Know the Goldilocks Planet:
Then learn more about exoplanets.