Venus

How many moons does Venus have?

• 0

• 1

• 2

• 3

How long (in Earth days) is a day on Venus?

• 102

• 117

• 152

• 180

What substance forms the majority of Venus' atmosphere?

• Sulfur

• Nitrogen

• Carbon dioxide

• Sulfur dioxide

What is Venus' surface pressure, in kilopascals (kPa)?

• 101 kPa

• 903 kPa

• 2,700 kPa

• 9,300 kPa

What is the name of the largest of Venus' continental terræ?

• Aphrodite Terra

• Ishtar Terra

• Lada Terra

Which probe created the first global map of Venus?

• Mariner 10

• Magellan

• Venera 10

• Mariner 2

Which probe complete the first successful flyby of Venus?

• Mariner 4

• Venera 2

• Mariner 2

• Venera 4

What was the first probe to enter Venus' atmosphere?

• Venera 7

• Venera 6

• Venera 5

• Venera 4

What was the first probe to soft land on Venus (or any other planet, for that matter)

• Venera 7

• Venera 6

• Venera 5

• Venera 4

How many active probes are currently in Venusian orbit?

• 0

• 1

• 2

• 3