Across
- 2. They are formed when matter such as a star collapses into an extremely compact state.
- 5. is the scientific study of objects in the universe.
- 7. It is the imaginary line traced by the sun in the sky.
- 8. Is a massive ball of plasma held together by it's own and emits light throughout the universe.
- 11. It is the largest and only star in the Solar System.
- 14. The patterns of stars seen in the sky.
- 16. A large cloud of gas and dust.
Down
- 1. It refers to an opaque body that emits thermal radiation.
- 3. It is the measurement of the shift of a nearby object compared to distant objects.
- 4. The star patterns that have been discovered but have not been officially identified as constellation.
- 6. it is the color of the most brightest stars in the universe.
- 9. these are neutron stars flickering with radio pulses.
- 10. it is the color of the sun.
- 12. these are stars which suddenly become very bright.
- 13. The color of the coolest stars in the universe.
- 15. Is an atomic process which occurs in the cores of stars.