Across
- 5. Used to magnify and see farther in space.
- 6. Provide us with visible light
- 7. Between radio waves and infrared in electromagnetic spectrum
- 9. A large group of stars
- 10. A huge bundle of gas visible at night
- 12. Arrangement of electromagnetic waves related to their wave lengths
- 16. Electromagnetic waves with long wave lengths than visible light
- 18. The beginning of the universe
- 19. surface temperature vs luminosity of a star
- 21. Electromagnetic waves with long and low frequencies
- 22. Beginning point of which something begins
Down
- 1. Radiation consisting of electric and magnetic waves
- 2. All matter an space
- 3. Dark ribbons of dust that appear bright stars in a galaxy
- 4. 300,000km/sec
- 8. used to compare size of stars to our sun
- 11. Exclamation to a scientific experiment
- 13. The only star in our system
- 14. The distance between two points corresponding points
- 15. Light travels 9.5 trillion Km in 1 year
- 17. Transfer of energy through matter or space
- 20. Very large clouds of gas in interstellar space