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Featured Thread: Number of known asteroids reaches 1 million!
We find asteroids faster than ever before. By 1921 astronomers knew 1000, then it took almost 70 years to extend that to 10,000 (1989). Just 16 years later we reached 100,000 (in 2005), and 15 more years later we reached 1 million. Early discoveries were people looking at analog photos, but now most discoveries are done by computers analyzing giant datasets...

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