Top 7 unanswered questions of physics | if you'll answer, you'll became famous.

Once Stephen Hawking was asked if humanity will ever know everything about the universe? 

Stephen Hawking said it is impossible humanity will never solve every mystery of the universe.

Scientists have solved many mysteries of the universe, but the are many more unanswered questions of physics which is not yet solved.

Today you are going to know 7 mysteries of physics which if you'll answer you'll be famous as these are one of the most famous unanswered questions of physics.

 Top 7 unanswered questions of physics are as follows:- 

1. Is any way to probe the internal structure of black holes somehow?

Things present in the universe are unimaginable and fascinating so we have always tried to look inside a black hole.

 And the black hole is one of the most interesting things in the universe. 

But till now we don't know any way to see and study the internal structure of a black hole because it doesn't let light escape so that we can see anything inside the black hole.

2. What is the size of the whole universe?

So, know we are talking about the whole universe's size. 

It is so difficult to measure the size of the whole universe because we can't see the whole universe. 

We can only see the observable universe whose size is estimated to be 93 billion light-years in diameter.

3. Is the universe heading towards a Big Freeze, a Big Crunch, a Big Rip, or a Big Bounce?

There are many theories about how the universe was formed and the most accepted theory is known as the big bang theory.

And there are also many theories that say how the universe will end or what will happen to the universe including Big Freeze, a Big Crunch, a Big Rip, or a Big Bounce but we are not sure about it.

4. What is the source of space roar?

In 2006, NASA launched a balloon 36,576 meters into the atmosphere, in which a machine was attached ARCADE, whose work was to search for heat from early stars. 

It was using radio waves, which of course are not visible to the naked eye, but can help us find stars giving off faint radio signals.

 So they put their ears very, very close to the speaker, hoping to hear a very tiny sound that might indicate stars from far off. 

They turned on the machine-thing and were blasted back by a booming noise six times louder than they were expecting.

 This noise is named as space roar which is a radio wave. 

But it confused us and we don't know the source of this space roar.

5. Where did Earth's water come from?

Everyone uses water, there's no man who doesn't use water, but does everyone know from where this water came from. This may be a very basic question in many people's minds but no one knows the answer to this. 

There are obviously some theories but we don't have proof.

6. What is the origin of the elements in the cosmos?

Lighter elements like Hydrogen and Helium were created just after the big bang but we don't know that is Big Bang true or not. 

Even atoms only contribute to 12% of the universe and other things like dark matter, dark energy about which we don't know much contribute to the rest of the universe.

7. Why & how is the Sun's corona (i.e. atmosphere layer) much hotter than the Sun's surface?

We cannot study black hole because it doesn't emit let light escape, but we cannot study the sun very precisely because it emits so much light, heat, solar radiation, etc

But scientists are continuously working on it. Many observations are done by satellites and satellites are also working.

About 80 years ago, scientists found that the temperature of the solar corona is actually much hotter than the surface, at a few million degrees celsius.

This has confused scientists till now and we don't know much about it.

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