NASA (@NASA) “Summer, summer, summertime ☀️ June 21 is the summer solstice for folks north of” — TopicDigg
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加入 December 2007
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Summer, summer, summertime ☀️
June 21 is the summer solstice for folks north of the Equator. This is when the Northern Hemisphere reaches its maximum tilt toward the Sun and has its longest stretch of daylight all year.
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