Hi
they (need clear subject, there is no clear reference) used to ask us in childhood about what we love to be in the future, and i always repeated the same answer that i want to be an astronaut. it is an amazing thing to be fulfilled (amazing thing to do, and you need to replace the word "amazing") because you are going to experience things few (a few) in the whole world have the chance to experience. one of the things that pushed me to dream of being an astronaut is the loss of gravity. one can feel himself free, jump, and run without feeling of (delete prep.) any sense of the weights he feels on earth. one can do acrobat practices in an amazing way without the possibility to harm herself. another important thing of being an astronaut is seeing the (delete the) earth in its glorious look (form, shape) from space. the feelings one has are impossible to be described. i hope one day to have the opportunity to experience such feelings. being on the moon is a fascinating idea that charms me. anyway, i comfort myself that i am an astronaut on earth since i am floating everywhere i want, discover new things, and experience new feelings everyday.
In general, it is a good paragraph, just pay attention to capitalization, and it should be sorted.
Regards and good luck