• The whole city is an astronomical calendar

    The whole city is an astronomical calendar
    New research results on the ancient city of Petra in Jordan show that this place was built to distribute sunlight into sacred places like celestial bodies that stand out in the
  • Summer solstice is always on Tuesday

    Summer solstice is always on Tuesday
    High temperatures, unpleasant weather make us feel like summer has arrived before. However, according to the astronomical calendar today June 21, Tuesday of the third week of