Challenging puzzle for experienced crossword solvers
Cosmic Voyages and Stellar Discoveries
Moderate difficulty suitable for most players
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Across
- 1. Unmanned spacecraft sent to explore space or other planets
- 2. Object placed in orbit to relay information or study space
- 3. Enormous system of stars, gas, and dust bound by gravity
- 4. Russian term for an astronaut
- 8. Path followed by a satellite around a planet
- 9. Series of NASA spacecraft sent to explore planets in our solar system
- 15. Relating to Earth's natural satellite
Down
- 5. The universe regarded as a complex and orderly system
- 6. Cloud of gas and dust in outer space where stars are born
- 7. Instrument used to observe distant objects by collecting light
- 10. A detachable unit of a spacecraft designed for a specific function
- 11. First artificial Earth satellite launched by the Soviet Union
- 12. Small rocky body orbiting the sun, mostly between Mars and Jupiter
- 13. Vehicle designed to propel itself by ejecting exhaust
- 14. Event when one celestial body moves into the shadow of another