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

Antarctica is the coldest region on earth and the only continent on earth without human settlement. In this untouched region, there are many strange natural phenomena, and today we are going to talk about one of them - the "Antarctic death icicle".

Earth is the only home we have in the universe and the only planet we know of so far that has life on it, and because of this, we usually think of it as a perfect planet.

The earth's water resistance comes from the high temperature, pressure and density of its interior

Mount fuji, located in the south of honshu island in japan, is a famous active volcano, with an altitude of about 3,775 metres, and is the highest peak in japan, so it has a very important symbolic status in japan. From the viewpoint of its appearance, mount fuji is still quite different from many other mountains, and when viewed from afar, it looks like an upside down fan hanging in the air.

Do UFOs exist?

When scientists conducted research in the Arctic Circle, they found some mysterious giant holes in the Siberian plain within the Arctic Circle.

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