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This Italian Artist Was The First One To Determine Why Sky Is Blue.

Why the sky is blue? A common question put up by children has an interesting history. The fact about the Read more

leonardo facts

There are probably more than 170 billion galaxies in the observable universe

The observable universe is thing that we can see. We actually can’t see it without the powerful telescope, but theoretically, we can.  But, there is a remarkable question -how

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Fact

It takes 225 million years for our sun to travel round the galaxy

Yes, it is true that the Sun, in fact, the whole solar system revolves around the center of the Milky Way, Galaxy.  We along with the solar system move at

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galactic year

It’s Amazing! You can watch the Big Bang on your television

We are not talking about “Big Bang Theory “series of 5 friends, but instead the evolution of the universe. The Big Bang is the simple clarification on the point how the

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big bang

There might be as many as three sextillion stars in the universe. That is 3 followed by 23 zeros, or 300,000,000,000,000,000,000,000. That is more than all of the grains of sand on Earth.

Looking up to night sky, it is promising to count the number of stars. with powerful telescope, more stars are visible. But it is impossible to count them even by

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galaxy