Planetary science

Mars feels like a really important backup plan. If there’s even a small chance that Earth is fucked from global warming, we need to be able to go to Mars. I heard a cool concept that we can basically artificially create global warming on Mars by putting greenhouse gases in the atmosphere.

Unless it’s life or death, I personally wouldn’t move to a planet with less than a million people on it (imagine Austin is the entire world, that feels like the bare minimum for me).

How much money and time would it take to get a million people to Mars?

jordan•...

For me Venus sounds slightly more appealing, particularly bc in my mind if something cracks on Mars I'm dead, whereas it sounds like in the clouds of Venus I'll have a long time before I'm atmospherically poisoned....

space exploration

planetary science

Mars feels like a really important backup plan. If there’s even a small chance that Earth is fucked from global warming, we need to be able to go to Mars. I heard a cool concept that we can basically artificially create global warming on Mars by putting greenhouse gases in the atmosphere.

Unless it’s life or death, I personally wouldn’t move to a planet with less than a million people on it (imagine Austin is the entire world, that feels like the bare minimum for me).

How much money and time would it take to get a million people to Mars?

stephen•...

From Perplexity: Floating Cloud Cities: The idea of constructing floating cities in Venus’s atmosphere is indeed a subject of scientific consideration....

Mars feels like a really important backup plan. If there’s even a small chance that Earth is fucked from global warming, we need to be able to go to Mars. I heard a cool concept that we can basically artificially create global warming on Mars by putting greenhouse gases in the atmosphere.

Unless it’s life or death, I personally wouldn’t move to a planet with less than a million people on it (imagine Austin is the entire world, that feels like the bare minimum for me).

How much money and time would it take to get a million people to Mars?

jordan•...

amazing, I’d never heard of this! Venus is the hottest planet, but I agree cloud city with a slight backup plan feels way better than underground. Venus is 10.65 million miles closer according to Google; is it easier or harder to get to in terms of slingshotting or space debris...

astronomy

space exploration

planetary science

Mars feels like a really important backup plan. If there’s even a small chance that Earth is fucked from global warming, we need to be able to go to Mars. I heard a cool concept that we can basically artificially create global warming on Mars by putting greenhouse gases in the atmosphere.

Unless it’s life or death, I personally wouldn’t move to a planet with less than a million people on it (imagine Austin is the entire world, that feels like the bare minimum for me).

How much money and time would it take to get a million people to Mars?

stephen•...

I’m in favor of us having a backup plan, but I think it should be Venus actually. There are good studies about this. You can build floating cloud cities in Venus, which float at precisely the altitude where the pressure is about 1 atm and the temperatures are even sometimes what...