News tagged with rocky planet

Magnesium oxide: From Earth to super-Earth

The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New work from ...

dateNov 22, 2012 in Earth Sciences
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Dead Stars Tell Story of Planet Birth

(PhysOrg.com) -- Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered ...

dateJan 05, 2009 in Astronomy
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A hidden treasure in the Large Magellanic Cloud

(Phys.org)—Nearly 200 000 light-years from Earth, the Large Magellanic Cloud, a satellite galaxy of the Milky Way, floats in space, in a long and slow dance around our galaxy. Vast clouds of gas within ...

dateJan 17, 2013 in Astronomy
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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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