Them hard to believe.
The universe is huge. So huge that even if you know its approximate size, the figure will be unimaginable. If you try to imagine its size, then drown in the ocean of zeros.
The universe never ceases to amaze us with its beauty and hidden secrets. Even with modern equipment, telescopes, space transport and years of research does not give us a complete concept of the universe. It’s depressing and at the same time means that lots of interesting discoveries still to come.
We will tell you about some known facts about our universe that you could not know.
1. We are composed of stars.
We ourselves and all that we see is from stars. Or rather, particles of dead stars. At the beginning of the universe there were only simple elements like hydrogen and helium. After they formed the first stars, which created the iron and gold. Some time later the first stars died, creating new elements.
Our body contains almost all the elements of the universe. And even gold.
2. Looking up at the sky we see the past.
The stars that we see in the sky, nothing like the light from the stars reached us years later, tens, hundreds and thousands of years.
3. In the universe 10 billion trillion stars.
While scientists cannot agree on the exact number of stars, but the number is considered as the most accurate.
4. We could be aliens.
We have a huge interest in finding aliens, but we ourselves may be aliens. Some scientists believe that simple bacteria and the bacteria were brought to earth by meteorites.
5. Universes may be several.
Yes, our universe could be just one of many countless other universes that differ from ours.
6. Black holes also die.
Black holes because of its strong gravity attracts objects and even light. Scientist Stephen Hawking believes that if the black hole remains too long without “food”, it may disappear.
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7. The universe grows.
Until the 1920s scientists believed the universe is static, but the astronomer Edwin Hubble discovered that the universe is expanding. In addition, in 1998 the Hubble space telescope recorded this extension.
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