The chandra grahan will be visible from Iceland, parts of South America and Central Asia and Russia. The lunar eclipse will be visible from all parts of India from the moonrise time.
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However, the beginning phases of both the partial and total eclipses will not be visible as these events will begin when the Moon is below the horizon everywhere in India. Kolkata will witness the red Moon from 4:54 pm onwards, Delhi at 5:31 pm, Bengaluru from 5:57 pm and Mumbai at 6:03 pm.
What is a Total Lunar Eclipse?
A lunar eclipse occurs when the Sun, Earth and the Moon are in one straight line and the Earth cast a shadow called an umbra on the Moon. The Earth's shadow is categorised into two parts - the umbra, the innermost part of the shadow where direct light from the Sun is completely blocked, and the penumbra, the outermost part of the shadow where the light is partially blocked.
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At the time of a Total Lunar Eclipse, the Moon and the Sun are on opposite sides of Earth. The lunar eclipses don't occur every month because the Moon's orbit is relatively tilted around our planet. So, the Moon often passes above or below Earth's shadow.
Blood Moon
The appearance of the Blood Moon is due to the Rayleigh scattering. This phenomenon occurs when light from the Sun collides with the gases in the Earth's atmosphere. Blue light gets filtered out because of its shorter wavelength, but the red light is not easily scattered owing to its longer wavelength.
As a result, some of that red light is refracted, or bent, as it passes through Earth's atmosphere and ends up shining on the Moon with a red light. Atmospheric conditions on Earth can influence the degree of redness of a fully eclipsed Moon.
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