Across
- 4. star has enough mass built up from other stages to explode
- 6. planet that rotates on its side
- 8. bang/The theory which is said to have created our planet through a colossal explosion
- 9. year/Used to calculate the distance light travels
- 10. Borealis/The circumstance where different colours are shown in the sky and usually occur in the northern hemisphere
- 11. giant/In this stage the process of helium fusing into carbon occurs in the core of the star
- 12. planet that takes the shortest time to orbit the sun
- 13. nucleus is cold but when coming near the sun, the nucleus becomes hot and releases gases and dust
Down
- 1. a multitude of stars, gas and dust are located
- 2. sequence/The stage that stars go through which consists of hydrogen fusing to create helium
- 3. object which floats around in the atmosphere without burning up and is made out of rocks
- 4. Eclipse/When the moon blocks the sunlight emitting from a star
- 5. coldest planet rotating around the sun
- 7. system/When planets rotate around a star