Astronomy Picture of the Day
    

Keyword: fluorescence
Полумесяц Венеры Venusian Half Shell
11.12.2001

Venus, second planet from the Sun, appears above imaged for the first time ever in x-rays (left) by the orbiting Chandra Observatory. Chandra's smoothed, false-color, x-ray view is compared to an optical image (right) from a small earthbound telescope.





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