LONG BEACH, Calif. — Finding Earth 2.0 is just a matter of time, and the discovery will likely transform the way we think about our place in the cosmos, astronomer Natalie Batalha said Tuesday (Jan. 8).
Batalha is a co-investigator for NASA's Kepler telescope, a planet-hunting mission that has uncovered 2,740 potential alien worlds in just the few years since its 2009 launch. Though Kepler has found some Earth-size planets, and others in the habitable zones around their stars that could allow them to harbor liquid water, none of them are true Earth twins. But that's likely soon to come.
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