Theory of relativity Background Theory of relativity which was made by Einstein is theory of physics. It is commonly called relativism for short. It has six phenomenon. 1th, nothing us faster than light. 2th, The thing which is moved close to the speed of light is looked as shrinking. 3th ,the thing which is moved is the same as energy. That is to say. Perhaps, we can go to the future. Research question Can we go to the future? They emitted radar from the earth toward Venus and capture the reflected radar. Methods We emitted radar from earth to Venus and we caught reflected radar. There is term which is between earth and Venus. We found out distance from earth to Venus. So , we can calculate time. But, it is necessary longer time than calculation result. Conclusion The late time is corresponded with the calculate of relativism. So, we proved the heavy thing made space distant.