Exploring Mars

When did astronomers focus their telescopes on Mars?

• 1600's
• 1700's
• 1800's
• 1900's

How many moons does Mars have?

• none
• 1
• 2
• 3

Mariners 4, 6 and 7 took photographs of how much of Mar's surface?

• 10%
• 15%
• 20%
• 25%

The south polar ice cap on Mars is made of frozen...

• carbon dioxide
• water
• air
• oxygen

In 1971, the first country to land a vehicle on Mars was...

• China
• United States
• Europe
• Soviet Union

How many years has it been since Viking 1 landed on Mars?

• About 20 years
• About 30 years
• About 40 years
• About 50 years

The U.S. Pathfinder delivered what to the surface of Mars?

• Sojourner
• Spirit
• Opportunity
• Viking 1 and 2

What allowed Spirit and Opportunity to land safely on Mars?

• retrorockets
• parachute
• airbags
• all of the above

What equipment provides Spirit and Opportunity with power?

• onboard memory
• cameras
• onboard computers
• solar panels

Has there been water on Mars?

• Yes
• Evidence that there was
• Evidence that there wasn't
• No