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What evidence do we have that they traveled faster than light rather than, say, leaving a very, very, very long time ago? Or launching something in our directio
by smeej 3y ago
What evidence do we have that they traveled faster than light rather than, say, leaving a very, very, very long time ago? Or launching something in our direction, in hopes of generations surviving, but they didn't manage to, so there's nobody on board anymore?
Or why couldn't they just have significantly misidentified what it would take to navigate in our atmosphere and have sent a ship that wasn't prepared, and didn't have a way to realize it wasn't prepared?
I can think of a lot of very prosaic reasons.
- krapp 3y ago>What evidence do we have that they traveled faster than light rather than, say, leaving a very, very, very long time ago? We would see a generation ship coming. It would be big, it would give off waste heat, it would probably have to stay in orbit, if we're assuming it follows physics we're familiar with, it would have to use chemical or nuclear rocket propulsion, dump waste and need constant refueling and maintenance. So either they have warp drives and magical tech bullshit or they don't exist. Those are the two options.
- TechBro8615 3y agoNow, hear me out... maybe the generation ship is the Moon...
- smeej 3y agoYou're assuming the intelligent species is anywhere close to the size of human beings. And that their generations are anything like our generations. You're assuming that they eat like we do, or weigh as much as we do. Just because a human generation ship would have to be large, it doesn't mean some other species' generation ship would have needed to be.
- krapp 3y agoTo account for the size of the various UFOs that have been seen, if those accounts are to be taken at face value, we don't seem to be dealing with space smurfs.