Across
- 5. Unit of measuring astronomical distances
- 7. Can increase your grade (2 words no space)
- 10. Bending of light when passing from one medium into another
- 12. Vertical axis of H-R diagram
- 15. The distance travelled by light in a year (2 words no space)
- 17. The objective of a reflecting telescope
- 19. The Pleiades are this type of star cluster
- 20. Cooler regions on the surface of the Sun
- 22. Stars drift to the ... during the night
- 23. Uranium can be ...
- 24. As measured with respect to the stars
- 25. The objective of a refracting telescope
- 26. The magnitude as seen from 10 pc
- 27. The power of a telescope to collect light (2 words no space)
- 29. The Universe is ...
- 31. The farther a galaxy the larger its ...
- 34. 90% of stars are located here on the H-R diagram (2 words no space)
- 35. Equation used to measure speed of galaxies
Down
- 1. Lower left region of the H-R diagram (2 words no space)
- 2. Stars produce ... spectra
- 3. Science that studies the Universe
- 4. The function of the eyepiece is to ...
- 6. His law: v=Hd
- 8. Indicator that galaxies are moving away
- 9. The eyepiece is a ...
- 11. Upper right region of the H-R diagram (2 words no space)
- 13. The identity of a chemical element is determined by the number of ...
- 14. Atomic particle with no electric charge
- 16. The ability of a telescope to resolve detail
- 18. His third law can be used to calculate the mass of Jupiter
- 21. Their number equals number of protons in an atom
- 28. Returning of light when passing from one medium into another
- 30. Radioactive element used to determine the Earth’s age
- 32. Horizontal axis of H-R diagram
- 33. As measured with respect to the Earth