Answer:
Base on earth's structure, process and geologic history.
Step-by-step explanation:
There are various planets in outer space that are considered analogous to that of earth or the Earth-like the planet like Kepler-22b. Kepler-69c. Kepler-62f and Kepler-452b. These Earth-like planets are called as G and K stars. like venus which is considered a twin of earth. These planets are considered to be 50% like earth but differ based on temperature and Terraforming is going to be what might be influencing the future of the explorations. Which is a hypothetical process of deliberating modifying the atmospheric conditions to make it habitable for man.