Across
- 3. breaks up starlight into a spectrum of color
- 5. A curve that represents the evolutionary positions of stars having the same age but differing masses
- 9. sunspots are formed here
- 11. chiron is a ...
- 12. minor planets
- 14. 206265 astronomical units
- 16. this indian astronomer calculated sidereal rotation of the earth accurately
- 17. A small, old, relatively cool star
- 18. brightest planet in the earth's night sky
Down
- 1. eruption of a flamelike tongue of relatively cool, high-density gas from the solar chromosphere into the corona
- 2. jupiter,saturn,uranus,neptune are which type of planets
- 4. twilight zone
- 6. Io is a ...
- 7. small, dense remains of a high-mass star after a supernova
- 8. A contracting cloud of gas and dust with enough mass to form a star
- 9. One of the small asteroid like bodies that formed the building blocks of the planets
- 10. path of the earth around the sun
- 13. it is formed when a star has lost its outer layers as a planetary nebula
- 15. The fuzzy outer layer of a comet