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Animation of a Giant Impact

© NASA

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This artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury.
en
51 mal angesehen
12. 08. 2009

Animation of a Giant Impact

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After more than four years of observations using the most successful low-mass-exoplanet hunter in the world, the HARPS spectrograph attached to the 3.6-metre ESO telescope at La Silla, Chile, astronomers have discovered in this system the lightest exoplanet found so far: Gliese 581 e (foreground) is only about twice the mass of our Earth. The Gliese 581 planetary system now has four known planets, with masses of about 1.9 (planet e, left in the foreground), 16 (planet b, nearest to the star), 5 (planet c, centre), and 7 Earth-masses (planet d, with the bluish colour). The planet furthest out, Gliese 581 d, orbits its host star in 66.8 days, while Gliese 581 e completes its orbit in 3.15 days.
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23. 04. 2009

Planetary system around Gliese 581

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Artist's impression of NASA's IBEX spacecraft.
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16. 10. 2009

Animation of the neutral particles found by IBEX at the edge of the solar system

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es
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18. 03. 2010

Impresión artística de Corot-9b

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en
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21. 01. 2010

Herschel readies itself for the Orion Nebula

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Orbits of Herschel and Planck around L2, the second Lagrange point of the Sun-Earth system.
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23. 05. 2009

Herschel and Planck commissioning

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Artists impression of the surface of Wild 2, passed by
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21. 08. 2009

Flight to Comet Wild 2

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This close-up of an area in the northwest region of the large Iris Nebula seems to be clogged with cosmic dust. With bright light from the nearby star HD 200775 illuminating it from above, the dust resembles thick mounds of billowing cotton. It is actually made up of tiny particles of solid matter, with sizes from ten to a hundred times smaller than those of the dust grains we find at home. Both background and foreground stars are dotted throughout the image. Researchers studying the object are particularly interested in the region to the left and slightly above center in the image, where dusty filaments appear redder than is expected.
en
61 mal angesehen
03. 12. 2009

Zoom on NGC 7023

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Künstlerische Darstellung des Neptunmondes Triton
de
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07. 04. 2010

Künstlerische Darstellung des Neptunmondes Triton

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