News tagged with rocky planet

Building Planet Earth

A new study shows how rocky planets are formed from the manic swirl of gas and dust that surround a young star, and determines what chemical building blocks are used to construct the planets. Understanding ...

dateOct 22, 2009 in Astronomy
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Ice on Ceres: 'An Interesting Paradox'

As NASA's Dawn mission draws closer to its encounter with the dwarf planet Ceres in early 2015, excitement continues to mount for scientists looking forward to what the satellite might observe. Britney Schmidt, ...

dateDec 05, 2013 in Space Exploration
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The water reservoir in a young planetary system

(PhysOrg.com) -- Astronomers once thought that the process of star formation was more-or-less controlled by the simple coalescence of material by gravity, leading eventually to a new star. But they have come ...

dateNov 15, 2011 in Astronomy
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Rocky planets may orbit many double stars

Luke Skywalker's home in "Star Wars" is the desert planet Tatooine, with twin sunsets because it orbits two stars. So far, only uninhabitable gas-giant planets have been identified circling such binary stars, ...

dateMar 30, 2015 in Astronomy
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In the realm of eternal ice

On 6 November 2010, the light of the star known as NOMAD1 0856-0015072 in the Cetus constellation dimmed. What had happened? A dwarf planet at the edge of the solar system had moved in front of the distant ...

dateApr 23, 2015 in Space Exploration
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When stellar metallicity sparks planet formation

New research predicts the criteria needed for Earth-like planets to form around a star that have one-tenth the metallicity of our Sun. If researchers find small, rocky planets orbiting stars with lower metallicity, ...

dateApr 10, 2012 in Astronomy
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Kepler and the Search for Life in Our Galaxy

(PhysOrg.com) -- There are so many stars in our galaxy that even if planets with complex life (animals and plants) are rare - say one for every billion stars - there could still be dozens here in the Milky ...

dateSep 15, 2009 in Astronomy
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Adventures in the 'Goldilocks zone'

When NASA's Kepler telescope rocketed into the night sky last week, two Berkeley astronomers watching its fading contrail were hoping that the telescope will reveal Earth's — and humanity's — place in ...

dateMar 12, 2009 in Space Exploration
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