Why? That's not obvious at all. The internet is useful, even essential for many modern economic activities. Modern astronomy is useful for what, exactly? Learni

Why? That's not obvious at all. The internet is useful, even essential for many modern economic activities. Modern astronomy is useful for what, exactly? Learning things about objects that are physically impossible to reach? Ask almost anyone what they care about most, the internet or a book on astronomy, and they'll think you're joking.