The History of the Milky Way Comes into Focus
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When our ancestors looked up into the night sky, they too saw a great, glimmering band of light splitting the darkness. In Southeast Asia, people called it “the Silver River.” In Southern Africa, “the Backbone of the Night.” And in the West, around 2,500 years ago, it earned t ...
How do we know the shape of our galaxy, since we're stuck in the middle of it?