Across
- 5. A reaction that occurs in the core of a star when the temperature and pressure in the core become too high.
- 8. A large cloud consisting of dust particles and gases such as hydrogen and helium.
- 9. This gas turns into helium in the core of the star for the star to release light and heat energy.
- 10. A very small star is called a _______________ star.
- 11. A very powerful explosion from the death a massive star.
- 12. The star in the Solar System.
Down
- 1. This star has a very high density and is produced after a large star explodes.
- 2. This star is the brightest star in the night sky.
- 3. ____________Negara is an observatory located in Kuala Lumpur.
- 4. A set of bodies consisting of millions of stars with gas and dust particles.
- 6. This galaxy is a spiral type.
- 7. A __________ coloured star is the hottest star.