Greenhouse Effect

Venus has become such? Since the distance of Venus from the sun is only 0.72 astronomical units, we expect that it should be warmer than Earth, but not the same at 400 degrees! Mars, which is one and a half times farther from the Sun than Earth, has an average surface temperature of only 50 ° C lower than the average temperature on Earth. But if we follow what happens to the sunlight in a thick atmosphere of Venus, it is easy to understand how this planet has acquired the surface temperature of about 500 ° C.