- ET
- 1. Effective Temperature Contributor: CASI2. Ephemeris time Contributor: CASI3. Ephemeris Time Contributor: MSFC4. Evapotranspiration Contributor: CASI5. Executive Team Contributor: MSFC6. Exposure Time Contributor: MSFC7. External Tank Contributor: MSFC8. External Tank (Space Shuttle) Contributor: CASI
NASA Acronyms. 2013.