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They were intrigued by the German aviator Otto Lilienthal and his gliders. The Wright brothers began to design their glider in earnest after Lilienthal died in a glider accident.
a glider does not have a motor to power it along whereas an airplane does tand that is why a glider does not stay in the air for very long
An airplane with no motor is called a glider.
See What are gliders on the airplane? answer.
A glider
A glider plane
glider or sailplane
A glider
Try Omniwing.com. It has great instructions for a long-distance glider. Link: http://www.omniwing.com/index.html
By glider do you mean like paper airplane?? it is held up by air pressure,,This will not work on the moon. There is no air there.
The Wright brothers first airplane was a glider, -wind powered.
an airplane with no engine, it's carried up by a tow plane, released and glides back to earth