The question of what is the universe
The question of what is the universe is one of the first questions of science lovers. Universe with every matter including time and space. Universe, which we call Universe in English. The universe is vast. No one has been able to give its exact definition even today.
Scientists have been studying the universe for many years. They look and observe the stars and planets. The study of these stars and planets is called astronomy. They want to find out the size of the universe. The answer is still beyond their grasp. But they know that it is still growing, no one knows when it will stop.
what is the universe
According to NASA, the universe is a big-open place. You-I am in this universe. This includes the things you cannot see. It also includes the largest stars, such as the Sun. Even the smallest things on earth are part of the universe, eg: Amoeba, Entamoeba. We actually do not know how big the universe is!
The universe is everything. It includes all space, and all matter and energy that exists in space. Clockwork and even time are included in this universe, and of course, this includes your self.
Discussion of the origin of the universe
Earth and the Moon are part of the Universe, along with other planets and dozens of satellites like the Moon. As we know that Earth revolves around the Sun, so do asteroids and comets. The Sun is one of hundreds of billions of stars in the Milky Way (special galaxy) galaxy, and many of these stars have planets of their own, known as exoplanets.
The star nebula W51 is one of the largest "star factories" in the Milky Way Galaxy. Such "star factories" can operate for millions of years. Although the universe may seem like a strange place, it is not very far from us. Because we are living in it. May not believe. But let's think for a moment - wherever you are right now, outer space is only 62 miles (100 kilometers) away.
Day or night, whether you're indoors or outdoors, sleeping, eating lunch, or taking class, outer space is just dozens of miles above your head. It's right under you too. About 8,000 miles (12,800 kilometers) beneath your feet – on the opposite side of Earth – lurks the unrelenting vacuum and radiation of outer space.
It means that just as there is a vast world above our head, there is also a world below our feet. If you think technically, you will also understand that you are in space right now. People think space is one side and earth is one side, actually earth is a planet, and it is part of space and universe like other planets.
What is the solar system?
When we talk about the universe, the first thing that comes to our mind is the solar system and its planets. There are 8 planets in the solar system. Again there is variation between the planets, such as the inner, rocky planets are Mercury, Venus, Earth and Mars. The outer planets are gas giants, including the giants Jupiter and Saturn, and the ice planets Uranus and Neptune.
In addition, there is a type of small planet called dwarf planet, which is called exoplanet in the language of scientists. Pluto is one such dwarf planet.
Mercury: The smallest planet in the Solar System and the closest planet to the Sun, Mercury is slightly larger than Earth's Moon. As seen from Earth, from the surface of Mercury, the Sun appears more than three times larger, and the sunlight is seven times brighter. Despite being so close to the Sun, Mercury is not the hottest planet in the Solar System.
It is slightly larger than the Moon. It is the fastest planet, orbiting the Sun once in about 88 days.
Venus: Venus is the second planet from the Sun and Earth's closest planetary neighbor. Venus has a thick, toxic atmosphere filled with carbon dioxide, the planet is toxic and the hottest planet in the Solar System. Venus' surface temperature is about 900 degrees Fahrenheit (475 degrees Celsius) which can melt lead instantly.
The air pressure on the surface of Venus is more than 90 times that on Earth which is normally felt under the ocean. On Venus, the sun rises in the west and sets in the east, which is the complete opposite of Earth.
Earth: Our home planet is the third planet farthest from the Sun, and the only planet where life exists. Although Earth is the fifth largest planet in the solar system, it is the only planet in our solar system that has water on its surface. Slightly larger than nearby Venus, Earth is the largest of the four nearest planets to the Sun, all of which are made of rock and metal.
Earth is at least 4,543 billion years old. All the planets except Earth were named after Greek and Roman gods and goddesses. However, the name Earth is a Germanic word meaning “soil”.
Mars: Mars is the fourth planet from the Sun and is a dusty, cold, desert area with a very thin atmosphere. Mars is a moving planet. This planet has been studied the most, where scientists say that there are aliens on this planet. Many dramas, movies have been made on this subject.
Jupiter: Jupiter, the fifth most distant planet from the Sun, is, by far, the largest planet in the Solar System. It was first discovered by Galileo. Jupiter's climate is actually surrounded by an atmosphere of ammonia and water, clouds, hydrogen and helium. The planet has a storm called the iconic Red Spot, which has been going on for hundreds of years.
Saturn: Saturn is the sixth distant planet from the Sun and the second largest planet in the Solar System. This planet has a ring around it that distinguishes it from other planets. Its main elements are hydrogen and helium.
Uranus: It is the seventh planet from the Sun, and the third largest planet in the Solar System. Uranus was discovered by astronomer William Herschel in 1781, although he originally thought it was a comet or a star.
Neptune: Giant Neptune is the eighth and most distant planet in the solar system. It is also called cold and dark planet. At more than 30 times farther from the Sun than Earth, Neptune is the only planet in the Solar System that cannot be seen with the naked eye and was predicted before its discovery. In 2011, Neptune completed its first orbit in 165 years.
dwarf planet
The main difference between a planet and a dwarf planet is in size and structure. Dwarf planets are generally more spherical. More dwarf planets have been discovered beyond Neptune. However, the well-known dwarf planets are Ceres, Pluto, Mekmek, Haumea and Eris.
How old is the earth?
It is actually a much discussed question how old is the earth? However old the earth is, it is a transient object in the universe. Earth has not even existed for about two-thirds of the time since the universe began. There will not be in the future.
A few billion years from now, the Sun will expand, Mercury will eclipse Venus and fill Earth's sky. It will even expand enough to engulf the Earth, like swallowing it whole.
Although it is difficult to accurately predict what the future holds, a little from the past can give an idea of what may lie ahead. By studying the radioactive decay of isotopes on Earth and in asteroids, scientists have learned that our planet and the Solar System formed about 4.6 billion years ago.
How old is the universe?
Many say that the universe appears to be about 13.8 billion years old. Scientists came up with this equation by measuring the age of the oldest stars and the expansion rate of the universe.
By observing the Doppler shift in the light from the galaxy, they found that the galaxies were moving away from Earth and from each other. In the near future, galaxies will be so far away that their light cannot be seen from Earth.
In other words, matter, energy, and everything in the universe were tighter than they are now. They were close before, now moving away.
There is no need to think much about the birth of the universe. The universe did not exist. Space did not exist. Time is part of the universe and therefore had no existence. Time also began with the Big Bang. With time the concept of universe was formed and with it the concept of space was also formed.
What is the universe made of?
There are all kinds of energy and matter in the universe. Most of the matter in the universe is like a hydrogen atom, made up of only one proton and one electron. Many trillions of atoms combine together to form a dust particle, a basic component of the universe. Also tons of carbon, silica, oxygen, ice and some metals combine to form an asteroid. Or a star the size of a sun is formed in the mixer of thirty three lakh thirty thousand hydrogen and helium.
Galaxies, star clusters, planets, dwarf planets, moons, rings, ringlets, comets, meteorites, underground water, rocks, serifs, all these make up the universe. The home galaxy, the Milky Way, also contains at least 100 billion stars and at least 100 billion galaxies. All these are part of the universe.
In short, the universe is made up of a lot of 'dark matter and dark energy', which until now has not been clearly understood. We cannot even imagine how many other mysteries are hidden in this universe.
