Science & Space Crossword — 14 October 2026

Across

1. 4. Elementary particle of light and electromagnetic radiation. (6)
2. 5. Junction between nerve cells facilitating communication. (7)
3. 7. Mathematical expression showing part of a whole. (8)
4. 8. Path of the sun across the celestial sphere. (8)
5. 11. To spread out particles in a fluid, as in chemistry. (8)
6. 12. Type of radiation in the electromagnetic spectrum. (5)
7. 13. Path of a celestial body around a star or planet. (5)

Down

1. 1. Systematic investigation to establish facts in science. (8)
2. 2. Whirling formations in fluid dynamics often seen in smoke. (8)
3. 3. Astronomical event marking the longest or shortest day. (8)
4. 6. Point in space-time where gravitational forces are infinite. (11)
5. 9. A four-dimensional analogue of a cube, seen in sci-fi. (9)
6. 10. Second largest planet, famous for its rings. (6)