The pressure on Venus's surface is about 90 times that of Earth, equivalent to being deep in the ocean, making it ...

more NASA missions to Venus would help clear up some of the unknowns. Scientists don't know the size of its core, how it got to its present, relatively slow rotation rate, how its magnetic field ...

Schematic illustration on how the super-rotation of Venus' atmosphere is maintained. In the cloud layer of Venus, a vertical and north-south circulation, called the meridional circulation ...

The pressure under this heavy atmosphere creates friction with Venus' rocky surface and has likely slowed the planet's rotation over billions of years, Pepper said. A 2020 study published in the ...