A code of ethics for communicators of science would have to transcend cultural boundaries. Over 20 massive craters have been produced prior to now 14,000 years, resulting in such features as Mary Bay, Turbid Lake, and Indian Pond, which was created in an eruption about 1300 BC. Alternatively, based on Brian Wilcox of the Jet Propulsion Laboratory, such a mission would possibly set off slightly than stop...