The new view of the Milky Way Galaxy oleh stigekalder
Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars. Previously, our galaxy was thought to possess four major arms. NASA/JPL-Caltech.
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- 5 tahun yang lepas (13 Mei 2019)
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