tran - U ge
- transfer functions
- transit circles
- transit instruments
- transit telescopes
- transit time
- transition probabilities
- transition region
- transits
- transmission
- transmission gratings
- transparency
- transplutonian planets
- transport processes
- transverse velocity
- trigonometric parallax
- triple stars
- Trojan group
- Tropic of Cancer
- Tropic of Capricorn
