Answer:what are the answer options
Explanation:
Answer:
<h2>True </h2>
Explanation:
Langley aerodrome was an innovative but unsuccessful manned and powered machine. It was designed at the end of 19th century by Samuel Langley, secretary of Smithsonian Institution. The US Army gave 50,000 dollars for the project to build man carrying version of the aircraft. In 1898 when Langley successfully demonstrated small scale unmanned models in 1896. He coined the term aerodrome.
Langley's Aerodrome No 5. was the first successful fight of heavier-than-air , engine driven and unpiloted aircraft.
<span />the earth was thought to be the center of the universe, rather than the sun
