How to make a Milky Way: the ultimate galactic recipe
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 the name “the Milky Way.” Across the globe, civilizations had theories of what the band of light was and why it was there. But only recently have humans had the tools to get the full picture.
Today we know the Milky Way is our galaxy: two spiral arms filled with more than 100 billion stars, all rotating around a…
The skinny
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