Planet Overview - Venus
VenusWhen the Greeks discovered Venus they probably thought they were seeing another Earth. Venus is referred to Earth's sister planet because both are similar in density, volume, size and mass but after a closer look, you'll see they are quite different.
Courtesy of NASAVenus - What It's All About
Although there are
mountains, valleys and even active
volcanoes, there is no water on Venus. The atmosphere is also much warmer on this planet. Unlike Earth, Venus has no
oceans and is surrounded by an atmosphere of
carbon dioxide. Instead of water vapour, Venus has
clouds made out of sulfuric acid!
Venus - The Goddess Of Love
The
Greeks called this planet Venus after the
goddess of love and beauty because it is the third brightest object in the sky after the
sun and moon. That doesn't mean you can always spot Venus in the sky. It is only visible for three hours before
sunrise and three hours after
sunset, which is why it's also called the
Morning and Evening Star. The
clouds that surround Venus are actually
responsible for its brightness. The clouds are made of
sulfuric acid, which causes Venus to reflect over half the
sunlight that reaches it! Venus
rotates slowly and in the opposite direction of the
Earth's rotation. This means the sun rises in the west and sets in the east - opposite of us.
Venus - Fun Facts
Venus doesn't have a moon.
Venus is the sixth largest planet in our solar system, while Earth is the fifth.
Here's something you might not know: Venustraphobia is the fear of beautiful women.
The surface temperature of Venus is 482 C (900 F). That's hotter than Mercury.
One year on Venus is 255 days but one Venus day equals 243 Earth days!
Related Stories:
Planet Overview - Earth
Planet Overview - Mars
Glossary of Space Terms
More About Space...
Read more: The Lab