Mary Ann Bernal
Epic stories. Timeless journeys.
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Showing posts with label
planet
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Showing posts with label
planet
.
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Wednesday, June 21, 2017
Summer Solstice - June 21, 2017
The longest day of the year! The summer solstice occurs when the tilt of a planet's semi-axis, in either the northern or the southern hemisphere, is most inclined toward the star that it orbits.
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