Solar and lunar eclipses, meteor showers, and other recurring celestial events.
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- What is a total solar eclipse?
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When the Moon completely blocks the Sun's disk, casting a shadow on Earth.- What is an annular solar eclipse?
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When the Moon is too far from Earth to completely cover the Sun, leaving a bright ring visible.- What is a partial solar eclipse?
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When the Moon blocks only part of the Sun's disk as seen from Earth.- What is a total lunar eclipse?
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When the Moon passes completely into Earth's umbra, blocking all direct sunlight from reaching it.- What is a partial lunar eclipse?
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When only part of the Moon passes through Earth's umbra.- What is a penumbral lunar eclipse?
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When the Moon passes through Earth's penumbra, causing only a subtle dimming.- Why does the Moon appear red during a total lunar eclipse?
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Earth's atmosphere bends red light onto the Moon while blocking blue light, a phenomenon called Rayleigh scattering.- What is the Saros cycle?
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A period of 18 years, 11 days, and 8 hours after which eclipses repeat in a similar pattern.- How long does a total solar eclipse typically last?
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Between two and seven minutes, depending on the Moon's distance and Earth's location.- How long can a total lunar eclipse last?
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Up to one hour and 47 minutes, significantly longer than a solar eclipse.- On what date does the Perseid meteor shower typically peak?
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Mid-August, usually around August 11-13.- On what date does the Geminids meteor shower typically peak?
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Mid-December, usually around December 13-14.- On what date does the Quadrantids meteor shower typically peak?
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Early January, usually around January 3-4.- On what date does the Leonids meteor shower typically peak?
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Mid-November, usually around November 17-18.- What is a meteor?
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A piece of rock or dust from space that enters Earth's atmosphere and burns up, creating a bright streak.
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