Linked from

The 2 pages that link to Kepler-22b, each with the reason it gives.

• Kepler Space TelescopeBroader topic: It was an early Kepler discovery that focused attention on planets in habitable-zone orbits.

• Kepler-452bRelated: It was an earlier Kepler habitable-zone candidate, providing context for Kepler-452b’s 2015 announcement.