The journey of light and our imagination

About 300 years ago, it was a misconception that the speed of light is finite, that is, it does not take long to travel from one place to another.

Everywhere you look in the universe, we have a balloon of 45.7 billion light years, beyond which we can see nothing. Is there a cosmic limit or fence of 45.7 billion light years from Earth?

To know the answer to this question, we need to know a few facts. Traveling in the universe is the fastest light that travels in space at a speed of about 300,000 kilometers per second, our communication system works at the speed of light. That's why we can talk to people sitting on the other side of the earth on the phone as if we are sitting face to face.

The distance that light travels in a year is called 1 light year. Today, man's fastest space travel is determined by calculus rockets, which are like the first steps of a child. Or at least a few decades of scientific research is needed. In theory, it seems possible to travel as fast as the speed of light, but for the purpose of describing the vastness of the universe in the context of this article, we must limit our journey to the speed of light. In order to travel at the speed of light, human beings will have to build extremely strong and durable space ships through which the human beings of the future will be able to start their real cosmic journey. Now, if future humans started traveling from Earth at the speed of light, they would reach the moon in just 1.2 seconds.

The journey back from the moon to the sun would touch the sun in 8.53 minutes, and it would take 6 hours and 56 minutes to travel from the sun to Pluto at the speed of light.

Now beyond Pluto there are many small cold worlds like Pluto. Extremely cold meteors are spreading far and wide in the outer part of the solar system. After traveling at the speed of light for 1.6 years, future humans will enter the Oort cloud and exit it after 2 years. After these 2 years of travel, they will be freed from the gravity of the sun.

Now that humans of the future have reached interstellar space, it would take them 4.22 years to reach Proxima Centauri, the closest star to the Sun, while traveling from here.

They will only reach Sirius, the brightest star shining at night, after 8.60 years.

It will take 11.8 years for the stars to reach Tao City. It is surrounded by a planet orbiting six times the mass of Earth, which is in its Goldilocks zone (livable distance).

As the address shown in a PK movie, let there be life in a shell other than our shell.

Then, after traveling 20.5 years at the speed of light, they will reach Glacier 581G. Now it is true that there will be other smaller stars orbiting around these stars, but according to today's technology, it is very difficult to observe them from the earth. Will,

Subsequent space travel will not be possible in the life of a human being, they will be forced to return. The astronaut will leave his 25-year-old wife and embark on this journey. It will only increase with age because traveling closer to the speed of light slows down the speed of time.

Any time beyond this is the time of those traveling on earth or at normal speed. For those traveling at the speed of light, time will slow down.

In order to continue the cosmic journey beyond that, man will have to adopt a completely different strategy, to build such gigantic spacecraft on which many families who have discovered space can live for centuries, thousands and even millions of years. Spacecraft will have to install artificial gravity systems, as well as plants and animals necessary for life, as well as create a climate that can sustain a very long life, but also the human genetic makeup for it. Will also have to be changed, humans connected to genetically modified machines will be the most suitable for space travel, meaning the combination of robots and humans cyborg, or immortality living forever or free from old age and death for thousands of millions of years. Achieving this long life is not as difficult as it seems. Genetic research has provided clear indications for the cure for aging and death. The inhabitants will have become a nomadic race for whom the possibilities are endless, their spacecraft The crowds would range from a small town to the size of a country or even larger than the Earth and could provide millions of human beings with all the necessities of life. But if not millions, millions of people will live. To build such ships, future humans will use the resources of the entire solar system instead of the earth

Eventually, after 310 years on Earth, future human stars traveling at the speed of light will reach Canopus, the second brightest supergiant star in the night sky, 15,000 times brighter than the Sun.