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Space, unrelenting in its expanse and splendor, always fascinated the human beings. Despite the technological advancement, more than three quarters of the universe still remains unexamined.
PERCHED atop a mountain in the Chilean Andes, the Dark Energy Camera has snapped more than a million images of the southern sky.The 2.5billion celesti
DOE/Fermi National Accelerator Laboratory Shown here is the elliptical galaxy NGC 474 with star shells. Elliptical galaxies are characterized by their relatively smooth appearance as compared with spiral galaxies, one of which is to the left of NGC 474, which is oriented with South to the top and West to the left. The colorful neighboring spiral (NGC 470) has characteristic flocculent structure interwoven with dust lanes and spiral arms. NGC 474 is at a distance of about 31 megaparsecs (100 million light-years) from the sun in the constellation of Pisces. The region surrounding NGC 474 shows ...