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Mahesh

10/05/22 08:50 AM IST

Blood Moon total lunar eclipse 2022

In News 
  • On 16 May 2022, a total lunar eclipse or Chandra Grahan will occur over South America, most of North America and parts of Europe and Africa.
  • This will be the second eclipse of the year, after the April 30/May 1 partial solar eclipse that was visible in parts of the southern hemisphere.
Total Lunar Eclipse 
  • During a total lunar eclipse, the Moon usually turns a deep, dark red because it is illuminated by light that has passed through the Earth’s atmosphere and has been bent back towards the Moon by refraction.
  • A total lunar eclipse occurs when the Moon and the Sun are on exact opposite sides of Earth.
Why Red Moon?
  • The red colour is because of the way light travels through the Earth’s atmosphere. Sunlight is made of several colours and they all have different wavelengths.
  • Depending on the way they travel through our atmosphere, we see different colours. That’s why the sun and sky have different colours during sunrise and sunset.
  • Blues and purples have shorter wavelengths and scatter in our atmosphere, giving the sky its inky colour, but reds and oranges have the highest wavelengths and pass through our atmosphere before it is bent or refracted around Earth, hitting the surface of the Moon and making it red.

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