To Explore or Not To Explore, That is the Question

摘要

When U.S. President Barack Oba-ma called NASA's Curiosity rover team shortly after its successful landing on Mars, he said, "We're fortunate to be part of a society that can reach beyond our planet and explore frontiers that were only imagined by our ancestors.....I'm going to give you guys a personal commitment to protect these critical investments in science and technology."