| LEONID | A meteor of a swarm peaking in November caused by Earth crossing the path of a dust trail left behind by comet Tempel-Tuttle (6) |
| LEONIDS | Meteor shower peaking annually around November 17-18, caused by Earth crossing the path of a dust trail left behind by the comet Tempel-Tuttle (7) |
| ITIC | Ending for meteor of phosphor |
| OMEN | Like a black cat crossing the path for some |
| TRACK | A microgroove in a vinyl record or LP; a railway line; or, the path of a particle in a bubble chamber (5) |
| BIKE | Informal word for a velocipede powered by a wheeler or imagined as the transport of a swarm of bees (4) |
| APOGEE | In astronomy, the point furthest from Earth in the path of a body orbiting the planet (6) |
| ORBIT | Term for the path of a body revolving around an attracting centre of mass, as a planet around the Sun or a satellite around a planet (5) |
| WENDY | 4. Which character invented by JM Barrie led to a very popular name for girls, its use peaking in the 1960s? (5,7) |
| DARLING | Which character invented by JM Barrie led to a very popular name for girls, its use peaking in the 1960s? (5,7) |
| METEORSHOWER | Celestial event caused when the Earth passes through the path of a comet, displaying space debris as streaks of light (6,6) |
| HOLDYOURHEADUP | Song by Argent that was a Top 5 hit in both the US and UK in 1972, peaking at number 5 in both countries |
| SKYLINE | Trail left by aeroplane - it was the shape of the buildings in the distance (7) |
| WATER | This "vapor" is the most potent of the greenhouse gases in Earth's atmosphere, whose concentration is set by Earth's air temperatures. |
| BRIDAL | Said to be the path of a lady on the day of the union (6) |
| WAKE | Trail left in the water by a moving boat |
| HADEAN | Unofficial eon characterized by Earth's formation from dust and rock through the emergence of its atmosphere and oceans. |
| CORIOLISEFFECT | Deflection and acceleration caused by earth's rotation (8,6) |
| FORE | Warning to a person in the path of a golf ball |
| SLIMY | Like the trail left by a slug |
