‹ BackHN Continuity

Thread

Promising discoveries about the potential for life on one of Saturn’s icy moons

98 points · 74 comments · geox

  1. I_dream_of_Geni · · focus · HN ↗
    OK... Serious question here: we find "life" (algae?) on one of Saturn's moons or one of Jupiter's moons. So, we spend ~$50 Billion (arguably much more) and find "life". So? Why is this important to people? There isn't one chance in (place your own word here) that we can do anything about it or even send humans there. Seriously want to know what people really think...
    1. dzink · · focus · HN ↗
      Because of statistics. If we can find life, potentially started independently or pollinated in a couple of planets close to each-other, then life is everywhere and we may be in a dark forest of intelligent or hidden native predatory beings waiting to wipe us out if we squeak or show up elsewhere. If it's not as frequent, then we can keep exploring to look for it and more human-habitable spots.
      1. semi-extrinsic · · focus · HN ↗
        Or maybe it's so boring that the math of the universe (practically achieavable time to travel to another solar system) makes the galaxy a set of distinct systems, where 1 in X has an intelligent species which has achieved orbit, but with no transit in between.

        It's not a cool concept to write scifi books about, but it may still be the reality we live in.

        The most likely situation (by many orders of magnitude) is that the only practical way of getting to another star system, even in the far far future, is a generation ship travelling 50+ years one way with a significant risk of people dying from organ failure or cancer along the route. This would represent a 1000x speed improvement over current tech and is only a factor of 10x slower than lightspeed.

        It is entirely unfeasible for any company or even government to spend money on such a project. Even if the ground on the other planet is strewn with diamonds and gold and the elixir of eternal life, you are looking at ~200 years before any ROI can be realised.

        1. Brian_K_White · · focus · HN ↗
          It only takes 5 years to communicate with the nearest star, and communication alone is worth doing.
Open on Hacker News to reply ↗

Unofficial Hacker News client; not affiliated with Y Combinator.