The brightness of variable stars fluctuates with time due to change in emitted light, with the periodic swelling and shrinking of stars changing the quantum of light reaching earth.
from Hindustan Times - india https://ift.tt/2YjDFQh
Friday, July 26, 2019
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Hello, my name is Jack Sparrow. I'm a 50 year old self-employed Pirate from the Caribbean.
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