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News Link • Space Travel and Exploration

Summer Solstice Marks Changing Seasons on Earth Today


Since Dec. 21, the altitude of the midday sun has been shifting progressively higher in the sky as its direct rays have been gradually migrating to the north. It reached its peak at 1:04 a.m. EDT (0504 GMT), marking the summer solstice.

The sun's altitude above the horizon at noontime is 47 degrees higher now, compared to six months ago. As we often mention, your clenched fist held at arm's length measures roughly 10 degrees, so the sun at midday is now nearly "five fists" higher in the southern sky compared to Dec. 21. [Solar Quiz: How Well Do You Know the Sun]



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