Total Lunar Eclipse

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Prelims: Science & Technology
Total Lunar Eclipse Blog Image

Overview:

A total lunar eclipse will occur on 8 November, 2022. The eclipse is visible from all places of India at the time of Moonrise.

About Total Lunar Eclipse:

  • An eclipse of the Moon (or lunar eclipse) can only occur at Full Moon – when Earth is located directly between the Sun and the Moon –, and only if the Moon passes through some portion of Earth's shadow. 
  • That shadow is composed of two cone-shaped components - 
    • The outer or penumbral shadow is a zone where the Earth blocks part but not all of the Sun's rays from reaching the Moon. 
    • The inner or umbral shadow is a region where the Earth blocks all direct sunlight from reaching the Moon. 
  • Types:Astronomers recognize three basic types of lunar eclipses – 
  • Penumbral Lunar Eclipse:The Moon passes through Earth's penumbral shadow. These events are of only academic interest because they are subtle and hard to observe. 
  • Partial Lunar Eclipse:A portion of the Moon passes through Earth's umbral shadow. These events are easy to see, even with the unaided eye. 
  • Total Lunar Eclipse:The entire Moon passes through Earth's umbral shadow. These events are quite striking due to the Moon's vibrant red colour during the total phase (totality). 

Source : PIB