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