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Space Exploration News

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astrophysics, cosmology, the universe...

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Astronomers find clues to decades-long coronal heating mystery

Scientists found evidence that magnetic waves in a polar coronal hole contain enough energy to heat the corona and moreover that they also deposit most of their energy at sufficiently low heights for the heat to spread throughout the corona. The observations help to answer a 70-year-old solar physics conundrum about the unexplained extreme temperature of the Sun's corona - known as the coronal heating problem.

Posted: Oct 16th, 2013

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Martian scars

Ripped apart by tectonic forces, Hebes Chasma and its neighbouring network of canyons bear the scars of the Red Planet's early history.

Posted: Oct 11th, 2013

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Watery asteroid discovered in dying star points to habitable exoplanets

Astronomers have found the shattered remains of an asteroid that contained huge amounts of water orbiting an exhausted star, or white dwarf. This suggests that the star GD 61 and its planetary system - located about 150 light years away and at the end of its life - had the potential to contain Earth-like exoplanets, they say.

Posted: Oct 10th, 2013

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Soft shells and strange star clusters

The beautiful, petal-like shells of galaxy PGC 6240 are captured in intricate detail by the NASA/ESA Hubble Space Telescope, set against a sky full of distant background galaxies. This cosmic bloom is of great interest to astronomers due to both its uneven structure, and the unusual clusters of stars that orbit around it - two strong indications of a galactic merger in the recent past.

Posted: Oct 10th, 2013

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Lonely planets in space

Two newly detected celestial objects without host star help astronomers in their understanding of star formation.

Posted: Oct 10th, 2013

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ESA and NASA stumped by cosmic mystery

A mystery that has stumped scientists for decades might be one step closer to solution after ESA tracking stations carefully record signals from NASA's Juno spacecraft as it swings by Earth today.

Posted: Oct 9th, 2013

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ESA's test rover begins exploring Atacama Desert

ESA's test rover has been fitted with scientific instruments and made its first tracks in the sands of Chile's Atacama Desert. Meanwhile, team members have explored the area to select a suitable site for testing, flying a drone to produce an aerial map.

Posted: Oct 9th, 2013

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A close look at the Toby Jug Nebula

ESO's Very Large Telescope has captured a remarkably detailed image of the Toby Jug Nebula, a cloud of gas and dust surrounding a red giant star. This view shows the characteristic arcing structure of the nebula, which, true to its name, does indeed look a little like a jug with a handle.

Posted: Oct 9th, 2013

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First ever evidence of a comet striking Earth

The first ever evidence of a comet entering Earth's atmosphere and exploding, raining down a shock wave of fire which obliterated every life form in its path, has been discovered by a team of South African scientists and international collaborators.

Posted: Oct 8th, 2013

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Terahertz sensor aiming for Jupiter's moons

A high performance terahertz receiver aiming for space missions such as ESA's 'Jupiter icy moons explorer' has been developed in a joint European effort, led by Chalmers University of Technology.

Posted: Oct 7th, 2013

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