Across
- 2. patterns of stars seen in the sky.
- 5. our closest star.
- 6. also known as "the hunter".
- 9. the scientific study of objects in the universe.
- 10. also known as the northern star and the brightest of the constellation Ursa Minoris.
- 13. are 200,000 times brighter than a star of magnitude 18.
- 15. it means "circle of animals" in Greek.
Down
- 1. study of the celestial bodies and relates in to earthly phenomenas.
- 3. the beginning of a star as a cloud of gas and dust.
- 4. the power of a star and depends on size and temperature,
- 7. are neutron stars flicking with radio pulses
- 8. an opaque object that emits thermal radiation.
- 11. a hot and luminous celestial body.
- 12. a yellow star.
- 14. stars that explode violently.