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The Large Magellanic Cloud, an irregular galaxy, is visible in the night sky over the Earth's Southern Hemisphere and may contain hidden astronomical wonders yet to be revealed in the images collected by the Large Synoptic Survey Telescope. (Image: NASA) The Large Magellanic Cloud, an irregular galaxy, is visible in the night sky over the Earth's Southern Hemisphere and may contain hidden astronomical wonders yet to be revealed in the images collected by the Large Synoptic Survey Telescope.