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Science Discovers New “Earth”

Scientists made a first-of-its-kind discovery when they confirmed the existence of an Earth-like planet. Never before has a planet with Earth-like amounts of heat, water and atmosphere been found, despite decades of search.

 that the NASA Kepler space telescope found the planet, which has been dubbed Kepler 22-b.

“The , a first for Kepler, orbits a star very much like our own sun. The discovery brings scientists one step closer to finding a planet like our own—one that could conceivably harbor life,” scientists told NBC.

“We're getting closer and closer to discovering the so-called ‘Goldilocks planet,’” Pete Worden, director of NASA's Ames  Center in Moffett Field, CA, said during a news  on Monday.

Per NBC, the $600 million  launched in March 2009 to hunt for Earth-size alien planets in the habitable zone of their parent stars, where liquid water, and perhaps even life, might be able to exist. Kepler detects  using what's called the "transit method." It searches for tiny, telltale dips in a star's brightness caused when a planet transits—or crosses in front of—the star from Earth's perspective, blocking a fraction of the star's light.

The discovery is just the latest in a run of scientific gains. Classrooms scrambled to alter their solar system models when Pluto was demoted from the status of planet. Once again, textbooks will require amending to include this most recent discovery.


Article by Jason Tomaszewski, EducationWorld Associate Editor
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