How Big Is The Universe? Damn Big!


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Almost every person thinks that he or she is a center of the universe. Well, of his or her universe, may be. But if to look wider, we are just a speck in the world. Can’t believe it? Today Smart Banana offers you to look at the whole universe and find our Earth in it.

In video we will start our journey from something very-very big which we call the observable universe 00:38. It's home to about 10-billion superclusters and has an estimated 350-billion large galaxies. It houses about 30-billion-trillion stars; that is 30,000,000,000,000,000,000,000 stars!

Done with huge and almost unlimited Universe (we don't know for sure) and move to the superclusters 01:17. It's one of the largest structures known in the universe. Like the Virgo Supercluster which is 110 million light-years across, it contains about 100 galaxy clusters (clusters like our own Local Galactic Group, we will speak about it a bit later). The Virgo Supercluster contains about 2,000 individual galaxies. The Pisces-Cetus Supercluster Complex is the next line in our address. There are tens of thousands of galaxies in the Supercluster complex. We definitely know about 35,000 galaxies. But we're moving further...

02:13 The Local Group is our local galaxy cluster comprising of at least 47 galaxies including our own. The Andromeda galaxy is the largest member of it followed by the Milky Way.

The Milky Way is home to our solar system 03:10. We orbit the galactic center at an average distance of 28,000 light-years. The Milky Way is thought to have some 300 billion stars.

04:10 Our closest star is Proxima Centauri at a distance of four light-years. About 53 star systems inhabit the Local Interstellar Cloud. Excluding our own solar system, there are six known planets in our neighborhood and another two suspected planets.

Finally... The Solar System 04:36.
The total mass of the solar system is about 333,345.997 Earth masses. We orbit the Sun at an average distance of 93 million miles, which is equal to 1 Astronomical Unit. It takes light a little over 8 light-minutes to travel from the Sun to Earth (that means, if the Sun vanished right now, you wouldn’t know it for another 8 minutes). The farthest planet from the Sun, Neptune, orbits at an average distance of 30 AU. Voyager is about 119 AU from Earth. The dwarf planet Sedna, the farthest such (known) object from the Sun, orbits at an average of 526 AU. The solar system has an estimated radius of about two light-years. And here our Earth is. Let’s come to it.

The third planet from the Sun is the densest in our solar system. It is also the 5th largest planet here. There are currently some 7 billion people on our planet. However, there have been some estimates 106 billion people over Earth’s history. A solid iron ball that is 1,500 miles wide sits at the center of the planet. And... We can live, breath and love here freely. Such a happiness!

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