establish a self-sustaining human settlement on Mars so that humanity would not depend entirely on Earth for its long-term survival.
However, none of this means that Earth is facing destruction anytime soon.
The timescales involved are measured in billions of years. For humanity today, the more immediate challenge is protecting the planet we already have while continuing to explore the possibilities of life beyond Earth.
The distant future may be impossible to predict in every detail, but one thing is clear: Earth will not remain habitable forever, and understanding the
