third kind
- encounterUnexpected meeting or confrontation
- alienNon-native being
- UFOUnidentified aerial craft
- extraterrestrialBeing from outer space
- closeNearby or to shut
Spielberg · contact · spaceship · lights · sky · abduction · mysterious · visitation · otherworldly · phenomena · sighting · beings · arrival · communication · first · second · classification · supernatural
- number theoryprime numbers, prime, composite, integer, divisor