Double tab and follow @universophysik_official for more such post. . . This phenomenon is because of we are living on a spherical planet. If one person stand at the North Pole, with his head up and have a friend stand on the South Pole, with their head up relative to the ground, their two heads are pointed in exactly opposite directions. If they both look at the Moon, then person at noth Pole see a Moon with dark Mare stretching along the top of the Moon, and a bright region at the bottom. At the South Pole, to a person whose head is pointed in the other direction, the Mare go along the bottom edge of the Moon, with the brighter region stretching across the top. . . . . . . . . . . . . . . . . . . . . #mars #universophysik #earth #galaxy #astronomyphotography #astrofotografia #cosmology #astromania #hubbletelescope #milkyway #astronomy (at Kalyan) https://www.instagram.com/p/B-cSoDJgzFY/?igshid=9lk3u5ph0s35