Earth

The seven stars in a row are Saturn, Neptune, Jupiter, Mars, Uranus, Venus and Mercury in the solar system.

According to some scientists, the earth itself did not exist billions of years ago, but about 4.6 billion years ago, a giant interstellar molecular cloud gravitationally collapsed to form the solar system. Some dwarf planets, moons, asteroids and other bodies that are somewhat smaller in size than the planets. This is how our home on earth was formed, but in the early days of its formation the earth was not as beautiful as it is today, the newly born earth was shown to be made up of magma, a boiling 'ocean' if you will.

In orbit for longer and longer periods of time, we need to solve not only inorganic resupply problems such as food, water, oxygen and propellant, but also the various problems faced by astronauts flying in orbit for long periods of time

The legendary prehistoric civilization is not the only one "Atlantis", then this mysterious "yellow brick road" could be the remains of some other prehistoric civilization left behind?

In this 5.5 million-year-old cave, not only is there no sunlight, but the environment is also very harsh

Do UFOs exist?

In the Arctic Siberian region, there is a huge crater called "the mouth of hell"

With the progress of science and technology, human beings have now begun to increase their efforts to explore the universe and the ocean. With the help of advanced submersibles, more and more people have the opportunity to dive into the deep sea thousands of meters deep for research. It is also with the arrival of human beings that we found that there are some things in the deep ocean that should not exist, which are worrying.

Since there are many lakes in China, many of them have the title of "largest".

For humans, the universe is too dimensional for us to see the details of its depths for the time being