Tuesday, October 29, 2013

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News


Carbon worlds may be waterless, NASA study finds

Posted: 28 Oct 2013 11:15 AM PDT

Planets rich in carbon, including so-called diamond planets, may lack oceans, according to NASA-funded theoretical research.

NASA's great observatories begin deepest-ever probe of the universe

Posted: 28 Oct 2013 11:12 AM PDT

NASA's Hubble, Spitzer and Chandra space telescopes are teaming up to look deeper into the universe than ever before. With a boost from natural "zoom lenses" found in space, they should be able to uncover galaxies that are as much as 100 times fainter than what these three great observatories typically can see.

Cassini gets new views of Titan's Land of Lakes

Posted: 28 Oct 2013 11:06 AM PDT

With the sun now shining down over the north pole of Saturn's moon Titan, a little luck with the weather, and trajectories that put the spacecraft into optimal viewing positions, NASA's Cassini spacecraft has obtained new pictures of the liquid methane and ethane seas and lakes that reside near Titan's north pole. The images reveal new clues about how the lakes formed and about Titan's Earth-like "hydrologic" cycle, which involves hydrocarbons rather than water.

Last command sent to Planck space telescope

Posted: 28 Oct 2013 11:05 AM PDT

The Planck space telescope has been turned off after spending nearly 4.5 years soaking up the relic radiation from the Big Bang and studying the evolution of stars and galaxies throughout the history of the universe.

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