| ALT | Angular distance above the horizon (especially of a celestial object). |
| ED | Angular distance above the horizon (especially of a celestial object). |
| EL | Angular distance above the horizon (especially of a celestial object). |
| EK | Angular distance above the horizon (especially of a celestial object). |
| ALTITUDE | Angular distance above the horizon (8) |
| TWILIGHT | Period when the sun is just below the horizon, especially following sunset (8) |
| AZIMUTH | The angular distance from the north or south point of the horizon to the foot of the vertical circle through a heavenly body. In space, it describes the horizontal direction of a celestial body. |
| HELIACAL | The ascension of a celestial object at the same time as the sun (8,6) |
| RISING | The ascension of a celestial object at the same time as the sun (8,6) |
| ORBIT | The curved path of a celestial object around a star, planet or moon (5) |
| RISE | Ascent; the surfacing of a fish to take a fly; the appearance of the Sun or the Moon above the horizon; the height of an arch, incline or step; or, an angry or excited response (4) |
| STILTS | A pair of poles with supports for the feet enabling the user to walk at a distance above the ground |
| HA | (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing. |
| ECLIPSE | The temporary interception of light from a celestial object (7) |
| FATAMORGANA | A mirage that is often seen in a narrow band right above the horizon in the Strait of Messina |
| ELEVATION | Part of the plan showing angular height above the horizon (9) |
| COMET | A celestial object that orbits the Sun. (5) |
| AZ | The azimuth of a celestial body is the angle between the vertical plane containing it and the plane |
| PHASE | The varying appearance of the illuminated surface of a celestial body, such as the moon (5) |
| SYZYGY | Either of the two positions of a celestial body when sun, earth and the body lie in a straight line |
