habitable zone

Kepler Has Found the First Earth-Sized Exoplanet in a Habitable Zone!

by Jason Major April 17, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter It’s truly a “eureka” moment for Kepler scientists: the first rocky Earth-sized world has been found in a star’s habitable “Goldilocks” zone, the narrow belt where liquid water could readily exist on a planet’s surface without freezing solid or boiling away. […]

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You are Here! Curiosity’s 1st Photo of Home Planet Earth from Mars

by Ken Kremer February 6, 2014

18 months into her mission to discover a habitable zone on the Red Planet, NASA’s Curiosity rover has at last looked back to the inhabited zone of all humanity and snapped her 1st image of all 7 Billion Earthlings living on the Home Planet. “Look Back in Wonder… My first picture of Earth from the […]

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Opportunity Discovers That Oldest Rocks Reveal Best Chance for Martian Life

by Ken Kremer January 23, 2014

After a decade of roving relentlessly on the Red Planet, NASA’s Opportunity rover discovered rocks that preserve the best evidence yet that ancient Mars was the most conducive time period for the formation of life on our Solar System’s most Earth-like Planet, according to the science leaders of the mission. Opportunity found the rocks – […]

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22% of Sun-like Stars have Earth-sized Planets in the Habitable Zone

by Nancy Atkinson November 4, 2013

How common are planets like Earth? That’s been a question astronomers and dreamers have pondered for decades, and now, thanks to the Kepler spacecraft, they have an answer. One in five Sun-like stars in our galaxy have Earth-sized planets that could host life, according to a recent study of Kepler data. “What this means is, […]

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Kepler Can Still Hunt For Earth-Sized Exoplanets, Researchers Suggest

by Jason Major September 3, 2013

Kepler may not be hanging up its planet-hunting hat just yet. Even though two of its four reaction wheels — which are crucial to long-duration observations of distant stars —  are no longer operating, it could still be able to seek out potentially-habitable exoplanets around smaller stars. In fact, in its new 2-wheel mode, Kepler […]

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