Worldwide Space Programs Accelerate Breakthroughs in Fundamental Scientific Questions and Space Technologies

摘要

Outer space is the fourth territory for human beings in addition to the land,ocean and airspace.It was pointed out by Albert Einstein many years ago that science in the future might proceed in two different directions,i.e.,towards either the microscopic world or the macroscopic world.These are exactly what space science is concerned with.On the cosmological scale,space science studies the universe.On the microscopic scale,space science studies the existence of dark matter,the basic laws of atoms and cells under extreme conditions and variable gravity in space.Therefore,space science is at the forefront of science in that it