Across
- 1. The moment a plane or spacecraft leaves the ground.
- 5. A device that makes distant objects appear closer and clearer.
- 7. A group of constellations used in astrology and astronomy.
- 11. A small, dense star that remains after a larger star has died.
- 13. A high layer of Earth’s atmosphere where temperatures rise sharply.
- 15. Having no feeling of weight due to the absence of gravity.
- 17. Everything that exists: space, time, matter, and energy.
Down
- 1. off To rise into the air, especially at the start of a flight.
- 2. The soft light just after sunset or before sunrise.
- 3. The lowest layer of Earth’s atmosphere, where weather happens.
- 4. The state of being without gravity, often in space.
- 6. A long journey, especially by sea or in space.
- 8. The highest point in the sky directly above an observer.
- 9. An unidentified flying object, often linked to aliens.
- 10. A hypothetical tunnel in space-time that could connect distant places.
- 12. To grow or become brighter, like the moon before it is full.
- 14. To become smaller or less bright, like the moon after a full moon.
- 16. The seventh planet from the sun, known for its tilted axis.
- 18. The second planet from the sun, similar in size to Earth.
