Eclipses have always fascinated human beings. One of my favorite mythological take on the eclipse is the Hindu god Rahu .He’s not the oldest eclipse deity, but his stories are wondrously gruesome. He was once a proud Asura, a demigod of immense power and hunger. Seeking immortality, Rahu drank the divine nectar known as Amrita. Before the drought could pass his throat, the all-powerful Vishnu decapitated him for his transgression.And hence the fallen god continually seeks his revenge on the two planetary deities who ratted him out to Big Vish: the sun and moon and these are known as solar and lunar eclipses. While myths are extremely interesting, let’s understand science of eclipse, it’s impact on Human Health and more on the longest eclipse of 21st century that is happening this month.
This would be the second total lunar eclipse of 2018 which will be visible in large parts of Australia, Asia, Africa, Europe, and South America. It’s totality will last for 103 minutes, making it the longest eclipse of the 21st century.
Total lunar eclipses are also called Blood Moon because of the reddish-orange glow the Moon takes on during the eclipse.A total lunar eclipse takes place when the Earth comes between the Sun and the Moon and covers the Moon with its shadow. When this happens, the Moon turns red, earning the nickname of Blood Moon.
Total eclipses of the Moon happens on a Full Moon day when the Sun, Earth, and Moon are aligned to form a line. The astronomical term for this type of alignment is syzygy, which comes from the Greek word for being paired together.
You must be wondering why we don’t see a lunar eclipse every month,if a Full Moon is needed for a total lunar eclipse right?
The plane of the Moon’s orbital path around Earth is inclined at an angle of 5° to Earth’s orbital plane around the Sun, which known as the ecliptic. The meeting point of the two orbital planes are called lunar nodes. Hence, Lunar eclipse occurs when a Full Moon happens near a lunar node only.
On the day of the eclipse, the Full Moon is at its farthest from the Earth, so it looks a little smaller, making this a Blood Moon eclipse.
| Why Blood Moon?
The logic behind the lunar eclipse being called as a Blood moon is because, when the sunlight passes through the Earth’s atmosphere, it gets refracted towards the Earth’s surface, and the colors with shorter wavelength gets scattered and filtered out, while the colors with longer wavelengths passes through the atmosphere. This light is once again refracted towards the surface of the fully eclipsed Moon, thus illuminating it in a reddish-orange glow. Because of this, a total lunar eclipse is colloquially called a Blood Moon. |
Interestingly, a solar eclipse always occurs about two weeks before or after a lunar eclipse.
Usually, there are two eclipses in a row, but other times, there are three during the same eclipse season. 13th July is the solar eclipse day this season. Though it will not be visible in Bangalore but Southern part of Australia, Indian and Pacific ocean etc. This being the first Eclipse of the season, and upcoming eclipse on 11th Aug being the third.
Did you know in ancient times, the darkness which prevails for a short duration when the moon disappears was believed as a sign of rise of darkness and that evil would flourish and most of them seem to stem from the fact that the dark night and shadow on the Moon brings an ominous feeling.These beliefs have created superstitions around Lunar Eclipses, some of which are still observed today. Some of them are like:
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For Kritika happiness is chocolates, loads of Netflix, journal scribblings and of course music. A child at heart she is currently grappling with adulting. On any given day you'll find her on the lookout to learn new things and the perfect cup of coffee. Drop in a line at storyweavers@byjus.com if you liked her stories or have exciting ideas to share!
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Comments
PREET
June 6, 2020
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BINDIYA
June 4, 2020
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Abhinav LG
January 27, 2020
I want to know about solar eclipse
Sinchana
November 28, 2018
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October 13, 2018
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September 12, 2018
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August 17, 2018
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August 12, 2018
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August 12, 2018
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August 3, 2018
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August 1, 2018
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July 30, 2018
I see tha the moon change its colour into different colours
Disha?
July 30, 2018
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July 30, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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July 29, 2018
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Akash . K. S
July 28, 2018
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Slash. K. S
July 28, 2018
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Joyti
July 28, 2018
Can you please tell the science fact behind these myths and thanks for the information.
Mansi
July 28, 2018
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Shraddha
July 28, 2018
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July 28, 2018
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July 28, 2018
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July 28, 2018
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July 28, 2018
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Simi
July 28, 2018
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Pranav
July 28, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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FAREEZ raza
July 27, 2018
I want more information on this
FAREEZ raza
July 27, 2018
Thanks for sharing this information regarding on lunar eclipse
Srushti
July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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Tejas
July 27, 2018
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Somnath
July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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Kavitha
July 27, 2018
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Shruti
July 27, 2018
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Varun Karthik
July 27, 2018
Don’t you think there are scientific reasons behind the myths?
Pranav
July 27, 2018
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Andleeb
July 27, 2018
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MTH
July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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Prasun Chakraborty
July 27, 2018
I love space and I am glad to see this lunar eclipse in this century
in my living days.Thank you Byjus for giving this very important
and useful message to us.
Trupti
July 27, 2018
There are also some blind faiths related to eclipse.what is scientific reason behind it
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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Sanjay
July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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poonam
July 27, 2018
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Gayathri Nair
July 27, 2018
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Throw some more light on why people don’t eat during eclipse.
Shailja
July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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July 27, 2018
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Vibhav Srivastava
July 27, 2018
Thanks byjus for d valuable information
Arvind
July 25, 2018
Can anyone explain the facts behind myths like *a pregnant woman should not go out or *eating during eclips is unhealthy?
pl throw some light on above based on scientific reasoning n degree of truth