Hi there, I'm new to these forums, and to start things off I would like to ask a few questions. I'm currently attempting to become a NASA physicist, and I know that takes a lot of work. However, my high school doesn't have a physics program (I know, it's extremely abnormal). I talked to a few trusted friends who think that it would be best for me to study independently through books and whatnot. Unfortunately, I'm not quite sure where I should start. I have a very tenuous grasp on the Physics I've read about, but I make up for it by being very proficient in Calculus (luckily our Math Department is a bit better-funded). So, I'd like to start from the beginning, wherever that is. My question is this: What basic, but serious, underlying concepts should I focus on learning before moving on to more advanced Physics topics? Any books you can recommend would be wonderful. Like I said, I already have a background in Calculus (and, therefore, algebra), so I'm not afraid of most equations. The problem I usually have is the books I find at the library usually require a background in a more basic aspect of Physics, and the formulas and equations don't make sense. So... what is the bottom of the Physics Pyramid? What should I learn first?