When former Beatle John Lennon spotted a silent, flashing UFO hovering outside his New York apartment in 1974, the naked rock star’s close encounter would leave an indelible mark on both his music and legacy.

When former Beatle John Lennon spotted a silent, flashing UFO hovering outside his New York apartment in 1974, the naked rock star’s close encounter would leave an indelible mark on both his music and legacy.