We will never be able to live on another planet. Here’s why
Lot of interesting stats throughout.
- To add enough CO2 to Mars to make the atmosphere thicker (which reduces temp fluctations), would make the atmosphere unbreathable regardless of O2 content
- Earth-like does not mean like current earth. For most of the planet's history the water and atmosphere were toxic to us
- It would take 79,000 years at current rocket speeds to get to Alpha Centauri