Dana Veselá

Dana Veselá

Nepotřebujete ničí souhlas k tomu, abyste byli sami sebou. Jestliže se uznání a chvála stane vaší potřebou, nebude s vámi nikdo jednat na rovinu.
Dana Veselá
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NGC 6888 - Crescent Nebula, is a cosmic bubble about 25 ly across, blown by winds from its central, bright, massive star. NGC central star is classified as a Wolf-Rayet star (WR NGC 6888 is about 5000 light years away in the constellation Cygnus.

Artist’s conception of a brown dwarf, featuring the cloudy atmosphere of a planet and the residual light of an almost-star. - Image Credit: NASA/ESA/JPL

Artist’s conception of a brown dwarf, featuring the cloudy atmosphere of a planet and the residual light of an almost-star. - Image Credit: NASA/ESA/JPL

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New caption: Mars' gigantic Valles Marineris canyon system dominates in this mosaic of images taken by NASA's Viking 1 orbiter.

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The Great Nebula in Orion, an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away

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science is beauty: Composite image (X-ray & optical) of the Rosette nebula, located about light years from Earth. More shocking that the one I posted here two years ago. Source: Rosette Nebula: The Heart of a Rose (Chandra X-ray Center)

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The Elusive Jellyfish Nebula Image Credit & Copyright: Dieter Willasch (Astro-Cabinet) Explanation: Normally faint and elusive, the Jellyfish Nebula is caught in this alluring telescopic view.

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Astronomy Picture of the Day Massive Stars in NGC 6357 Massive stars lie within NGC 6357 an expansive emission nebula complex some 6500 light-years away toward the tail of the constellationScorpius. In fact positioned near center in this ground-based c