Across
- 2. What comes after 'solar' for the name of a burst of violent activity on the surface of the sun?
- 4. What is a giant cloud of dust and gas in space and exist in formation of solar system?
- 5. Planet which locates 0.9 billion miles from the Sun?
- 8. junk, What is the term for any man-made object orbiting Earth ?
- 9. What is the comet's head called?
- 11. , Planet in the solar system that is made of gas?
- 12. What core is mercury made up of?
- 14. What forms first in the early stages of solar system formation?
- 15. Meteoroids that pass through the atmosphere and hit Earth's surface are called?
Down
- 1. Which planet is named after the Roman goddess of love and beauty?
- 3. Which planet do astronomers sometimes call a failed star?
- 6. What is the name for one celestial body passing in front of another?
- 7. When a shooting star is long lasting, what is it called?
- 10. Near earth asteroids are divided into 3 groups which are Aten, Apollo and?
- 13. Asteroid forms icy counterpart which is?