The more popular ones are: space exploration represented by Ad Astra and the earth's own space exploration, civilization exploration represented by the search for extraterrestrial wisdom and prehistoric civilization exploration, historical exploration represented by archaeology and textual research, and human culture exploration dominated by anthropological research, etc.

Scientific exploration is to seek truth through critical methods and establish logical interconnection!

There is a famous saying: ask if you don't know; If not, then study; If not, be virtuous. If you didn't see it, it would be ridiculous; See it without knowing it, although it is true; If you know what you are doing, you will be trapped. -Xun Kuang

Definition of environmental science:

The science of studying the quality of human living environment and its protection and improvement!

The environment of environmental science research is the external world with human as the main body, that is, the synthesis of material conditions on which human beings depend for survival and development, including natural environment and social environment.