dream

I am glad to hear that the tianzhou-4 cargo spacecraft was successfully launched by the long march-7 carrier rocket at 1:56 on May 10, 2022, and successfully completed the rendezvous and docking with the Tiangong space station on May 10. I was overjoyed and filled with emotion. China’s Millennium dream of flying into the sky, god five soared into the sky and finally realized the dream In that year, on the day of October 15, 2003, I watched the big rockets on TV, full of reverie about becoming an astronaut….

Now scientists propose that the universe has multiple dimensions and eleven dimensions. We humans live in three-dimensional space, so three-dimensional objects are composed of a point (length, width, height), weight and temperature. For example, people are tall and short, fat and thin, weight and temperature. So, four-dimensional space adds the point of time. Just like any point on a line of one dimension, multiple points are connected into multiple segments. Three dimensional space can only pass by sequential segments (time). The four-dimensional space is that each segment moves at the…