TNPSC Thervupettagam

Super Blood Blue Moon

January 29 , 2018 2468 days 1529 0
  • The world is going to witness “Super Blood Blue Moon” event on Jan 31st in parts of western North America, Asia, the Middle East, Russia and Australia.
  • “Super Blood Blue Moon” is a rare cosmic event that combines an extra big Super moon, a Blue moon and a total lunar eclipse.
Super Moon
  • Super moon – It occur when the full moon coincides with the Moon’s closest orbit point (perigee) to Earth.
  • During a super moon, the moon appears 14% larger and 30% brighter.
  • The farthest distance between the moon and the Earth is termed ‘apogee’, while the perigee is the nearest point.
Lunar Eclipse and Blood Moon
  • It occurs when the Sun, the Earth and the Moon are so aligned that the full moon passes through the shadow of Earth.
  • The moon gliding into Earth’s shadow will gradually turn in to orange or red.
  • This is because the sunlight passing through the Earth’s atmosphere break down and red part gets scattered by the atmosphere and falls on the Moon’s surface.
  • For this reason, a totally eclipsed moon is called a “Blood Moon”.
Blue Moon  
  • It refers to the second full moon (or second lunar eclipse) in a month.
  • The Moon does not turn blue but historically the second full Moon of an English calendar month is termed as a Blue Moon.
  • Typically, it happens every two years and eight months.

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