What was significant about the Solar Impulse project?
A It completed the first jet flight using renewable energy
B It proved solar-powered flight was possible
C It was the first aircraft to fly without a pilot
Fact: The Solar Impulse project showcased the feasibility of solar-powered flight by completing a 26-hour test flight using only solar energy, which was essential in promoting sustainable aviation practices.
Correct Answer: It proved solar-powered flight was possible