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