5 Facts You Didn’t Know About The Universe

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Universe

The universe is massive and appears to contain infinite wonders. As our technologies become more advanced, we are poised to discover even more and perhaps prove our current theories wrong.

Still, our observations and studies so far have revealed many strange phenomena in space. Surprisingly, one of the most complex objects in the universe is right here on Earth—and even closer than you probably imagined.

Earth’s Rotation

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In kindergarten, you learned that there are 24 hours in every day. If you really think about it, though, it is kind of unbelievable that every single day is exactly 24 hours, not one second more or one second less. However, Earth’s rotation slows down every century, which means that our days are not precisely 24 hours each. NASA has reported that the Earth’s rotation actually takes 24 hours and 2.5 milliseconds

Although 2.5 milliseconds may not seem like a big deal, Earth has been around for billions of years. If Earth’s rotation slows down every century, that time can really add up. For example, when the dinosaurs were around, days were only 23 hours long. If you thought each day goes by too fast now, just imagine what it would have been like a billion years ago.

The Human Brain

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Even though we have been studying the universe for a long time, most of it is still a mystery to us. We have discovered many puzzling objects in our universe, but the most complex is still the human brain.

The human brain has a billion neurons with a total of about 100 trillion nerve connections. It is so unbelievable to think about how small and complex a human brain is compared to what else we have discovered in our universe. Eventually, we may find more complex objects than our brains, but for now, we hold the title.

The Size Of StarsRelated image

We all know that the Sun is huge and that it is so important to our world. Without the Sun, we would not be able to survive for long. Nevertheless, when most of us think of our solar system, we think of a much bigger area than the size of our Sun.

This is a misconception, though. In fact, the Sun contains more than 99 percent of the mass of our solar system. Just think about how big the gas giants are, and the Sun still takes up the vast majority of our solar system. Approximately, one million Earths could fit inside our Sun.

As if this was not incredible enough, just imagine the size of other stars. Compared to them, our Sun is fairly small. It just makes you think how unbelievably big stars can be and how much of our universe is taken up by them.

Unseen ObjectsImage result for Unseen Objects in the universe

We know that most of our universe has been unseen by the human eye or human-made devices. Scientists have used many electromagnetic wavelengths to try to see around our universe to places we could never get to in our lifetimes. They have used radio waves, infrared, and X-rays to make many discoveries. These wavelengths have also revealed great mysteries within our universe.

Scientists have found that huge portions of our universe cannot be detected by any of these wavelengths. This could mean a lot of different phenomena are happening, but one theory is that dark matter actually exists.

Dark matter does not absorb or emit light. However, even though we can’t directly observe dark matter, many scientists believe that we have strong evidence of its existence.

Earth As A Black HoleRelated image

Whenever we think of black holes, we think of collapsed stars whose lives ended in supernovas so great that they created some of the most mysterious things in our universe. The creation of a black hole is a relatively rare phenomenon. Even our Sun could not create a black hole if it were to die right now.

As we discuss Earth then, it is not logical that it could create a black hole, either. However, it is always fun to theorize about crazy phenomena that could occur in our universe.

It has been hypothesized that if Earth were compressed to the size of a marble, it would collapse in on itself and create a black hole. This would occur because Earth would be so dense that it could create a black hole.

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