NASA's Helios: Breaking World Altitude Records with Solar-Powered Aircraft

What altitude did the Helios aircraft achieve to set a new world record?

• 20,000 meters

• 35,000 meters

• 29,420 meters

• 15,000 meters

How many motors does the Helios aircraft have?

• 10 motors

• 20 motors

• 14 motors

• 8 motors

What is the primary power source for the Helios aircraft?

• Nuclear power

• Wind energy

• Solar cells

• Hydrogen fuel

What is one of the main objectives of the Helios prototype?

• To reach extreme altitudes

• To carry heavy payloads

• To transport passengers

• To perform acrobatic maneuvers

What concept is the Helios aircraft's energy storage system based on?

• Battery cells

• Hydraulic systems

• Fuel cell concept

• Wind turbines