premise: Slang 's space cadet `an eccentric , especially one who is stuporous or out of touch with reality ' evolved from Tom Corbett , Space Cadet , a 1950 television series depicting the adventures of a 24th-century cadet in the Solar Guides , the interplanetary police force keeping order in the Solar Alliance .
hypothesis: The 1950s television series was critically acclaimed for its novel approach to science-fiction and true is true .