The Archive's chief science officer and NASA Exoplanet Science Institute researcher Jessie Christiansen stated that "it's not just a number," but each of them is "a new world, a whole new planet."
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How many planets are there outside our solar system? | Video
2022-03-22T22:16:16.275Z
The Archive's chief science officer and NASA Exoplanet Science Institute researcher Jessie Christiansen stated that "it's not just a | Technology | CNN