STRAIGHT UPRIGHT SHADOW PHENOMENON

The people crossed with the short shadows of the perpendicularly in the Anjungan Nusantara, Palu Bay, Central Sulawesi, Wednesday (21/3) at 12.13 Wita. A number of regions on the equator line or khatulistiwa experienced a straight upright shadow phenomenon (vernal equinox) on 21 March 2018 because the sun was at the upright position above the object so that there is no slope of the earth's rotation axis against the earth's orbit field. This phenomenon lasts twice a year, and the next on September. ANTARAFOTO/Basri Marzuki/ama/18

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