Across
- 4. (4) — The ___ Space Telescope: successor to Hubble for infrared
- 5. (7) — Point in a lunar orbit farthest from the Moon
- 7. (7) — Reusable rocket stage successfully landed by SpaceX from 2015
- 8. (10) — Propellant type that ignites spontaneously on contact with its oxidiser
- 10. (7) — First spacecraft to achieve a Jupiter flyby, 1973
- 13. (6) — Gravity ___: using a planet's orbital motion to accelerate a probe
- 14. (8) — Space Shuttle that broke apart during reentry in 2003
Down
- 1. (11) — Using atmospheric drag to slow a spacecraft without fuel
- 2. (10) — The boundary Voyager 1 crossed into interstellar space in 2012
- 3. (10) — Long-period wobble in Earth's axial orientation over 26,000 years
- 6. (6) — The ___ belt of icy objects beyond Neptune, containing Pluto
- 9. (6) — Country whose space agency launched the Mir station in 1986
- 11. (9) — Cosmic ___ radiation: heat echo of the Big Bang detected by C
- 12. (8) — The speed of a spacecraft relative to a reference point
- 15. (4) — Planet both Curiosity and Perseverance explore