Astronomical Phenomena

    Cards (7)

    • Rising and setting of the sun
      Babylonian and Egyptian: the sun rises in the eastern part of the sky, and sets in the western part of the sky
    • Gnomon
      a primitive version of a sundial to observe the motion of the sun, they look at the shadows
    • Phases of the moon
      Moon changes its path and its appearance within a period of 29.5 days. These phases are the basis of ancient calendars.
    • Lunar eclipse
      occurs when the earth casts its shadows on the moon when the earth is between the sun and the moon.
    • solar eclipse
      occurs when moon is in between the sun and earth completely blocks out the sun.
    • The motion of the stars
      stars appear to be attached to a celestial sphere that rotates around an axis in one day.
    • Visibility of planets
      mercury, venus, mars, jupiter, and saturn are easily seen in the sky.