Explanation:
The Moon was full this month on June 22nd, only a day after the northern
hemisphere's summer solstice. Since this solstice marked the northernmost point
of the Sun's annual motion through planet Earth's sky, the full Moon rising
near the ecliptic plane opposite the Sun was at its farthest south for the
year. Only a month earlier, on May 23rd, astronomer Anthony Ayiomamitis
recorded this picture of another southerly full Moon rising above Cape Sounion,
Greece. The twenty-four hundred year old Temple of Poseidon lies in the
foreground, also visible to sailors on the Aegean Sea. In this well-planned,
single exposure, a long telephoto lens makes the Moon loom large, but even
without optical aid casual skygazers often find the full Moon looking astonishingly
large when seen near the horizon. That powerful visual effect is known as the
Moon Illusion.
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