资讯

But there are several scientific mysteries about how these elements wound up together on Earth. For example, scientists would not expect a planet that formed so close to the sun to naturally ...
Many geologists attribute the great variation in the temperature gradient to complex irregularities in the structure of the earth's crust. Some even maintain that the interior of the earth is cold ...
Earth Day highlights the actions we can take to address environmental problems. Earth Day is a global event held every year on April 22, dedicated to celebrating Earth's natural beauty and raising ...
Why do people believe the flat Earth theory and is it even worth debating? Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space ...