UFO is a popular term for any apparent aerial phenomenon whose cause cannot be easily identified by the observer. Did you see the UFO before? Now, take a trivia quiz to check how much you know about it!
99 BC
1561
1450 BC
1235
True
False
True
False
Cylinder
Triangle
Disc shaped
Cigar shaped
Hynek system
John Martin system
Vallee System
Denison system
20%
40%
60%
80%
1946
1947
1948
1949
Melissa Mathison
Steven Soderbergh
Steven Spielberg
Joel Coen
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