The document discusses paradigms in the context of NASA's past, present, and future exploration efforts. It defines a paradigm as a model or belief system used to explain or control some aspect of reality. NASA's past paradigms included the space race in the 1960s, promoting space awareness, and exploration initiatives focused on the moon, Mars, and beyond. The present paradigm involves completing the International Space Station by 2020 and developing new technologies, though the future remains uncertain pending government funding decisions. The document advocates developing new "verge teams" to explore innovative paradigms like asteroid mining and human missions to Mars.