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Astronomy

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    $\begingroup$ The standard reasons: mining/energy from asteroids/the Sun, meeting advanced civilizations who can teach us things, possible colonization, navigation (if GPS goes down!), possible better understanding of modern-day physics. $\endgroup$
    – user21
    Commented Apr 1, 2015 at 17:05
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    $\begingroup$ Why the downvote? This is probably the most important question about astronomy. +1 from me. $\endgroup$
    – pela
    Commented Apr 1, 2015 at 19:41
  • $\begingroup$ Masering was first discovered by astronomers. Perhaps lasers could have been developed sooner if others had been following astronomy. $\endgroup$
    – Marc
    Commented Apr 12, 2015 at 1:34