| SYZYGY | Alignment of the sun, earth and moon, e.g. |
| SPHERES | Earth and moon, e.g. |
| DEEPSPACE | Region beyond the system of the earth and moon |
| SOLARSYSTEM | Sun, Earth and planets, collectively (5,6) |
| TOTALECLIPSE | Full alignment of the Earth, moon and sun |
| OCCLUSION | Normal alignment of the teeth when the jaws are closed (9) |
| SPACEPORTENT | Alignment of the planets, perhaps? |
| POSTURE | Alignment of the body (7) |
| ASTROLOGY | The study of the positions of the planets, sun and moon interpreted in terms of human characteristics and activities (9) |
| ECLIPSE | Sun-Earth-Moon event |
| PHASES | Stages of a cycle: - of the moon, eg |
| ASTROLOGERS | People who study the motions and relative positions of the planets, sun and moon, interpreted in terms of human activity (11) |
| ASTROLOGER | Person who studies the motions and relative positions of the planets, sun and moon, interpreted in terms of human activity (10) |
| ORRERY | Clockwork model of the solar system showing the movements of the planets and moons around the Sun (6) |
| TACK | Equestrian kit and saddlery collectively; or, an alignment of a sailing boat to the wind (4) |
| LIPSYNC | Audio and video alignment of speech (3-4) |
| ORIENTATION | Alignment of a period of introduction for new students |
| CUSP | Point of the crescent moon, eg |
| ALBUM | 'The Dark Side of the Moon,' e.g. |
| SOLOMON | The sun and moon reorientated by one of the wise men (7) |
