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How small are we in the scale of the universe? - Alex Hofeldt

TED-Ed Lesson: In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky – what, if anything, was going to show up? But what came back was nothing short of spectacular: an image of over 1,500 ga…

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TED Ed

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