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General and Exploration

• Where did Venus get its name from?
• Which objects in the sky are brighter than Venus?
• Why does Venus appear so bright to the eye?
• How far is Venus from the Sun?
• How large is Venus in terms of Earth sizes?
• Why is Venus called Earth's sister planet?
• Which of the terrestrial planets is most similar to Earth in size and mass?
• What is unusual about the rotation of Venus? How can we explain it?
• How does the surface of Venus look like, as seen from Earth or an orbiting spacecraft?
• Why do pictures of Venus taken from Earth tell us nothing about its surface?
• Is there any (active) spacecraft from Earth on or around Venus?
• How can an orbiting probe map the surface of Venus?
• Why is it so difficult for spacecraft that land on Venus to collect data?

Atmosphere and Surface

• What kind of atmosphere does Venus have?
• What do we mean by the greenhouse effect on Venus?
• What consequences has the greenhouse effect had on Venus?
• What is the surface temperature of Venus?
• Why is the surface of Venus so hot?
• What features on Venus' surface make it hostile to human life?
• How does the surface of Venus look like, as seen from close by?
• Why does the surface of Venus appear reddish?
• What is the main general puzzle about the surface of Venus?
• Why does Venus have fewer craters than Mercury or the Moon?
• Is there, or has there been, water on Venus?

Moons

• How many moons does Venus have?