On Sunday evening, observers finally may have answers to some of these celestial questions. At 10:52 p.m. PDT, a NASA spacecraft the size of a wine barrel is scheduled to slam into the Tempel 1 comet at roughly 23,000 mph. The impact, projected to leave a crater that could swallow a football stadium, is intended to scrape away part of Tempel 1’s surface and expose what’s underneath. Link. Update: Amazing, we hit it! Kersmash!
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