How does people walk and live in the space?It's amazing! I believe several decades later,people can finally live in the wish to travel to the space.太空旅行英语作文篇二 Space tourism is based o
Scientists think that there has been life on Earth for millions of year. However, we haven’t found life on other planets yet. Because none of them has an environment with air, people and things can’t
Space is really a wonderful don't know it well ,but I love are planets in the space,such as sun,moom .Earth is one of the planets in sun is the biggest planet in
In physicsSpace is one of the few fundamental quantities in physics, meaning that it cannot be defined via other quantities because there is nothing more fundamental known at present. Thus, similar to the definition of
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