Finding the Milky Way in the night sky is fairly easy. A short stroll to a dark, isolated location affords a ready snapshot of its splendor, as a small fraction of its 100 billion to 400 billion stars blaze overhead like a sprawling celestial stream. But finding its mysterious heart, the galactic center, is tougher.Continue reading "50 years ago, a first hint of the beast lurking in the heart of the Milky Way"
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