Mars Exploration and Characteristics

What is Mars primarily composed of?

• Rock, iron, and ice

• Rock, iron, and myth

• Rock, iron, and carbon dioxide

• Rock, iron, and water

After which figure was the planet Mars named?

• A Greek philosopher

• A Roman emperor

• The Roman God of War

• A famous astronomer

Which of the following characteristics does Mars share with Earth?

• Breathable atmosphere

• Similar average temperature

• A day length of approximately 24 hours

• Abundant liquid water on the surface

What geological features are found on Mars, indicating a past with more water?

• Active volcanoes and large oceans

• Huge canyons, vast volcanoes, and dried riverbeds

• Extensive forests and deep-sea trenches

• Glaciers and active geysers

What is a primary reason for sending more space probes to Mars than to any other planet?

• Its proximity to Earth

• The potential for past or present life

• Its rich mineral deposits

• Its stable climate

Which NASA probe recently landed on Mars in November 2018?

• Curiosity

• Opportunity

• InSight

• Phoenix

When do NASA and SpaceX plan to send humans to Mars?

• Within the next five years

• Within the next two decades

• By the end of the century

• There are no current plans for manned missions

Approximately how long does it take to travel from Earth to Mars using a Hohmann transfer orbit?

• 3 months

• 6 months

• 9 months

• 12 months