Write to the editor . Letters intended for publication should be under 250 words, and may beedited for style and clarity. Many people ask this question, mainly to determine if the costs involved are worth it, both in terms of human life and money. Visionaries are capable of discerning a future when societies travel among the planets and stars. But convincing taxpayers, policymakers and the general public has been difficult.
Migration is a key aspect of human behavior.
All life is mobile to some extent, but humans have taken migration to a sophisticated extreme, having explored and settled some of the most hostile regions of Earth. Initially, an individual or group will venture into the unknown, perhaps in hopes of locating new sources of food, wealth, territory or even self-esteem. Often, these explorers never return, their voyages becoming legend over time. Occasionally, however, some emerge from their journey to tell of great riches to be had or of fantastic places worthy of further investigation. Since most of us are attracted to mysterious places and the acquisition of things, we eventually will follow the explorers to find out what the fuss is about.