The moon crossed the sun's path on February 17, causing what is known as an annular solar eclipse. The sun was not covered ...
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Halley's comet renamed after a medieval monk?
Who truly identified the regular return of Halley's Comet? A common misconception attributes this discovery to astronomer ...
Explore Sir Isaac Newton’s top 10 discoveries, from gravity to calculus, and see how his 17th-century genius still powers modern science.
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