Earth

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

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.

How long can humans survive on earth? This is a question that many of us want to know, and i believe that we do not want to wake up to a "Purgatory" Like venus, and hope that the earth can remain alive forever, so that we humans can continue and our generations can survive on earth forever. If the earth's environment were to change drastically and become an extremely hot planet like venus or mercury, then naturally everything in the world, including humans, would not be able to exist.

According to the speculation of some netizens, these so-called UFOs may just be farce

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.

If we dig up all the sand in the Sahara Desert, then we can see the "bedrock" of this desert

The earth has been spinning since its inception and has been doing so for 4.5 billion years now, so why has it not stopped yet?

Do UFOs exist?