Venus is the hottest planet in our solar system. This is not only due to its distance from the Sun but also many other factors. The extreme heat on Venus is caused by its thick atmosphere, which is mostly carbon dioxide. The surface temperature can reach about 465 degrees Celsius, creating a "burning hell" environment. The thick atmosphere traps energy from the Sun, preventing it from escaping. Additionally, thick clouds reflect sunlight while keeping heat inside, which raises the surface temperature even more. Although Venus is closer to the Sun than Earth, its unique atmospheric structure and energy balance are the main reasons for its harsh climate. The temperature of a planet is determined by complex factors, and Venus shows us that planetary climate mechanisms can be diverse and interesting.