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#1
03-11-2014, 08:28 PM
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WIRED Space Photo of the Day: Ancient Planetary Nebula
 This image was obtained with the wide-field view of the Mosaic camera on the Mayall 4-meter telescope at Kitt Peak National Observatory. Abell 74 is an Ancient Planetary nebula. Because of its age it is a very faint target. Ancient ...       أكثر... ??????? ??????: WIRED Space Photo of the Day: Ancient Planetary Nebula || ??????: rss || ??????: اسم منتداك
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العرض الشجري