Tag: Goldilocks Zone
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Nation & World
A ‘Goldilocks zone’ for planet size
Researchers have redefined the lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called habitable zone for small, low-gravity planets.
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Nation & World
Eight new planets found in Goldilocks Zone
Astronomers announced Tuesday that they have found eight new planets in the Goldilocks Zone of their stars, orbiting at a distance where liquid water can exist on the planet’s surface. The discoveries double the number of small planets believed to be in the habitable zone of their parent stars.
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Nation & World
Earth’s sister in the crosshairs
A new book by Harvard astronomer Dimitar Sasselov explains the revolution in understanding the universe that views life as a natural part of planetary evolution and that has researchers on the brink of finding worlds that echo this one.