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we are not leaving this solar systemThis is a spin-off of "end times". Our discussion about space travel has become off topic there, so we'll continue here.
In general, what do you think of space travel and living in space or on other heavenly bodies other than earth?
With practicality, do you mean physical or economical? I think it is physically feasible. But there is, at the time, no economical drive in it. It's a thing you have to want to do - and it is pretty expensive.I still doubt the practicality but it'd be interesting to see if it does happen.
With practicality, do you mean physical or economical? I think it is physically feasible. But there is, at the time, no economical drive in it. It's a thing you have to want to do - and it is pretty expensive.
As I said in the other thread, living on other planets becomes pretty pointless once you are able to live in space. What you want are easy to dismantle small rocks to build new living space.stands to reason
without that ability.....walking on alien turf would be difficult to plan for
Conflict comes with the territory, literally.Kinda both, it's a "do the ends justify the means" sort of thing in my mind. Aside from that, if we can't all get along on earth, how can we assume that this will change elsewhere, lol.
This is a spin-off of "end times". Our discussion about space travel has become off topic there, so we'll continue here.
In general, what do you think of space travel and living in space or on other heavenly bodies other than earth?
@ChristineM wrote in "end times":
Interstellar flight is the problem. Moving a ship to close to the speed of light will require a way to counteract the massive increase in mass.Using only known physics and technology that has been shown to work at least in principle, 20% of c seems possible. Using nuclear fusion while capturing interstellar hydrogen overcomes the rocket problem.
The alternative is slow (relitively) speed taking some time, a 10 light year journey will take around half a million years
I.e. a trip to proxima centauri takes about 20 years.
Take extended life span into account and interstellar travel becomes interesting.
we are not leaving this solar system
unless
and now I reference to a movie with Keanu Reeves in the lead
the Day the Earth Stood Still
It's a remake of black and white movie
his character by means of high tech can assume the form of the life on the planet they visist
stands to reason
without that ability.....walking on alien turf would be difficult to plan for
@ChristineM is right. Just think about the impacts from space dust and other matter that regular spacecraft incur requiring continual maintenance and repair.@ChristineM wrote in "end times":
Interstellar flight is the problem. Moving a ship to close to the speed of light will require a way to counteract the massive increase in mass.Using only known physics and technology that has been shown to work at least in principle, 20% of c seems possible. Using nuclear fusion while capturing interstellar hydrogen overcomes the rocket problem.
The alternative is slow (relitively) speed taking some time, a 10 light year journey will take around half a million years
I.e. a trip to proxima centauri takes about 20 years.
Take extended life span into account and interstellar travel becomes interesting.
@ChristineM is right. Just think about the impacts from space dust and other matter that regular spacecraft incur requiring continual maintenance and repair.
Imagine what those impact's would be like hitting them at the speed of light.
Space is mostly empty, interstellar space even more so, so it wouldn't be a big risk to hit anything. But some serious shielding would definitely be in order.@ChristineM is right. Just think about the impacts from space dust and other matter that regular spacecraft incur requiring continual maintenance and repair.
Imagine what those impact's would be like hitting them at the speed of light.
We haven't even figured out how to live on the Earth, yet. We don't deserve to presume the right to infect and exploit anywhere else.This is a spin-off of "end times". Our discussion about space travel has become off topic there, so we'll continue here.
In general, what do you think of space travel and living in space or on other heavenly bodies other than earth?