Earth

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

The 500 trillion ton comet was discovered in 2010 by astronomers Pedro Bernardinelli and Gary Bernstein

If humans evolved from the forest archaeopteryx, how did the forest archaeopteryx emerge?

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

The modern Earth's atmosphere is so rich in oxygen that the vast majority of this hydrogen will be re-oxidized to water without escaping from the Earth's top atmosphere

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

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 climate patterns on Earth will then become chaotic, and humans will lose the ability to control and drive the Earth's climate to remain stable and conducive to the habitability of humans and the Earth's biosphere as a whole

What exactly is the Loch Ness Monster?

The earth was born more than 4 billion years ago, when it was very different from the earth of today, one of which is that the environment of cosmic space is more different.