So what happened? Why did Venus turn into a hellish hellscape while Earth flourished into a haven for life?
There are a number of factors that contributed to Venus's transformation. One is its proximity to the sun. Venus is about 30% closer to the sun than Earth, which means it receives more solar radiation. This extra radiation heats up Venus's atmosphere and surface, making it much hotter than Earth.
Another factor is Venus's lack of water. Earth is covered in oceans, which help to regulate the temperature and climate. Venus, on the other hand, has very little water. This means that there is nothing to absorb the sun's heat, so it just builds up and makes the planet hotter and hotter.
Finally, Venus's atmosphere is very thick and dense. This atmosphere traps heat, making it even more difficult for Venus to cool down.
As a result of these factors, Venus is a very inhospitable planet for life. It is too hot, too dry, and the atmosphere is too thick. No known life form could survive in such conditions.
In contrast, Earth is a very hospitable planet for life. It has a moderate temperature, plenty of water, and a relatively thin atmosphere. These conditions make Earth an ideal place for life to thrive.
It is possible that Venus was once a more Earth-like planet. It may have had oceans, a more temperate climate, and an atmosphere that was more conducive to life. However, over time, Venus's proximity to the sun, its lack of water, and its thick atmosphere all contributed to its transformation into a hot, dry, and lifeless world.