It isn't. Mars is called the red planet, because it's crust is rich in compounds of the element iron, many of which are reddish colored. Venus is yellowish in color, a result of its thick atmosphere.
Mars is sometimes called the "Red Planet" because of its reddish appearance, due to iron oxide prevalent on its surface.
Presuming you mean which planet has carbon dioxide as the primary component of its atmosphere, and features clouds of sulfur dioxide (or sulfuric acid), which would be Venus, second planet from the Sun (the next innermost planet from the sun compared with earth).
The name Venus (Greek form:Aphrodite) means the goddess of love and beauty in Rome. The planet is named after her because it is the brightest planet in the night sky. Venus has a very thick atmosphere and rotates the opposite way of all the other planets.
Venus is the only planet in our solar system that rises in the west and sets in the east, due to its unique retrograde rotation.
Actually, it is not just one, but two planets that have these huge storms. Jupiter has the Great Red Spot as its gigantic monster storm, but Neptune has one called the Great Blue Spot.Jupiter
Mecury is not called the red planet. Mars is called the red planet because of the iron oxide (rust) in it's soil, making the planet look red. Yes, Venus is the hottest planet but it is not called the red planet.
its a hot planet. planet doesn't have water it is also called red planet
Venus.
Venus
Spock, the character in Star Trek, is from a planet called Vulcan, not Venus.
The planet of love is Venus because Venus is the name of the Greek God of love.
its called the hell planet because it so hot
All I can think of is that Venus is sometimes called Earth's "sister planet, or twin planet".
Venus
Mars is the Red Planet because the Iron Oxide in the surface is what gives it it's reddness.
Venus is the sister planet of the earth
Yes, Venus is a planet . It is the second planet from Sun.