- star convergence
- star count
- star counting
- star coupler
- star covering
- star delta depressurization start
- star-delta starter
- star delta transformation
- star-delta transformation
- star density
- star dial
- star-dial time-determining instrument
- star discrepancy
- star distribution
- star drift
- Stardust
- Stardust probe
- stare duration hypothesis
- stare involution
- star ephemeris
- star evolution
- STAR experiment
- star figure
- Star Film Corp
- star finder