Why Is Earth's Atmosphere So Different From Other Planets?

Atmosphere of earth compared to venus Despite some rather glaring differences, not the least of which is their vastly different atmospheres, there are enough similarities between Earth and Venus that many scientists consider the two to be closely related. In short, they are believed to have been very similar early in their existence, but then evolved in different directions. Beyond that, however, they have little in common. Size, Mass and Orbit. In terms of their respective sizes, masses and compositions, Venus and Earth are quite similar. Whereas Earth has a mean radius of 6,371 km and a mass 5,972,370,000 quadrillion kg, Venus has a mean radius of about 6,052 km and a mass of 4,867,500,000 quadrillion kg.


It has been filtered and colorized to enhance cloud forms. The sulfuric acid clouds are somewhat similar to fair weather clouds on Earth. After the Sun and the Moon, Venus is the third brightest body in our sky, and because of this it received lots of attention from all the great ancient civilizations, including the Mayans, the Egyptians, and the Greeks. As early as 1600 B. But in modern times our nearest neighbor has been somewhat neglected and only three missions have been dedicated to studying the heavily clouded planet.

Planet Venus: The deadliest Planet, Venus surface & Atmosphere [Naitional Geographic Channel, HD]

venus gravity compared to earth

Share to linkedin Earth's nitrogen-rich blue sky. It's an odd mix compared to the atmospheres of other planets.

venus compared to earth size

Venus: Crash Course Astronomy #14

venus mass compared to earth

Venus compared with the Earth Venus is often named as Earth's twin because both worlds share a similar size, surface composition and have an atmosphere with a complex weather system. The figure on the right compares Venus and Earth spacecraft images.