One of the issues about space exploration is the energy it takes to get there, and the energy it takes to move materials around. What resources might an asteroid contain that anyone would care about? Do NEAs or Trojan asteroids have any advantages from the standpoint of human explotation? I once heard a presentation from an astronomy professor that if he could get the right Asteroid into LEO he would totally upset world economies thought its impact on the metals markets. I have no idea if that is true or not. --Starseeker 12:57, 7 October 2007 (UTC)


I wouldn't begin with "According to" I would just say the definition, like An asteroid: ... or An asteroid is... and just site your source at the end of the sentence. It just sounds kind of odd that the beginning of your whole essay is "According to" lol. The beginning sentence also sounds like a run-on. Develope is develop in the second sentence. You need a comma after "years" in the third sentence. When you do in text citations, it is like this: ( Author pg # ); or if you have a single source (which I doubt you do, it is just the page number. I would eliminate "and what not." Certian needs to be certain. You avoided first and second person within the beginning of your paragraph, but you used it in the ending. Try to avoid that completely. What you state is obviously your opinion and from your point of view so you don't need those references. Also, your thesis needs to appear at the end of your introductory paragraph. Other than that it sounds like a very interesting topic. =) Tiffany =) 17:19, 9 October 2008 (UTC)

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