Space Cowboy

I was hoping that maybe someone here could take a quick look at this and critique it? I don't have the extensive knowledge or background on physics as the members on here do so I was hoping that perhaps I could get some insight from someone on here. I don't assume that anything I wrote was accurate, just wanted to check up with someone who would know better than I would about these things. If you're willing, please take a look and leave a comment. You can read my post over at url deleted by mod Thanks