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Space Exploration News

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astrophysics, cosmology, the universe...

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Explaining the ribbon in space discovered by NASA's IBEX mission

IBEX can map the boundary at the edge of our heliosphere in a way never before done. In 2009, IBEX saw something in that map that no one could explain: a vast ribbon dancing across the boundary that produced many more energetic neutral atoms than the surrounding areas.

Posted: Feb 6th, 2013

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Finding the key to immunity (w/video)

Living in space weakens astronauts' immune systems, researchers have discovered. The findings are providing clues on how to tackle diseases on Earth before symptoms appear.

Posted: Feb 4th, 2013

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Are super-Earths actually mini-Neptunes?

A new study suggests that super-Earths are actually surrounded by extended hydrogen-rich envelopes and that they are unlikely to ever become Earth-like. Rather than being super-Earths, these worlds are more like mini-Neptunes.

Posted: Feb 4th, 2013

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Building a lunar base with 3D printing

Setting up a lunar base could be made much simpler by using a 3D printer to build it from local materials. Industrial partners including renowned architects Foster + Partners have joined with ESA to test the feasibility of 3D printing using lunar soil.

Posted: Feb 1st, 2013

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Where are all the dwarfs?

Astronomers of the international CLUES collaboration have identified "Cosmic Web Stripping" as a new way of explaining the famous missing dwarf problem: the lack of observed dwarf galaxies compared with that predicted by the theory of Cold Dark Matter and Dark Energy.

Posted: Feb 1st, 2013

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International team observe 'hungry twin' stars gobbling their first meals

Years of monitoring its infrared with the Spitzer instrument reveal that it becomes 10 times brighter every 25.34 days, Gutermuth and colleagues say. This periodicity suggests that a companion to the central forming star is likely inhibiting the infall of gas and dust until its closest orbital approach, when matter eventually comes crashing down onto the protostellar "twins".

Posted: Jan 31st, 2013

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Herschel finds star possibly making planets past its prime

A star thought to have passed the age at which it can form planets may in fact be creating new worlds. The disk of material surrounding the surprising star called TW Hydrae may be massive enough to make even more planets than we have in our own solar system.

Posted: Jan 30th, 2013

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