Science & Space Crossword — 7 October 2026

Across

1. 3. Astronomical survey revealing countless galaxies (9)
2. 6. Basic unit of matter, often depicted as a nucleus with electrons. (4)
3. 7. Key element that influences a scientific outcome. (6)
4. 8. Describes a luminous star in the night sky (6)
5. 10. Measurement of UV radiation risk to skin health (7)
6. 12. Relating to electricity produced by chemical reactions. (8)
7. 13. Concept predicting time's cyclical nature in physics. (8)

Down

1. 1. Celestial object burning up in Earth's atmosphere. (6)
2. 2. Fundamental substance making up matter in chemistry. (7)
3. 4. Small units in the realm of information theory. (5)
4. 5. Fundamental concept in physics explaining energy levels. (7)
5. 9. Region associated with the early work of a famous astronomer. (7)
6. 11. Device used to charge air particles in a room. (7)