Stars Ilse Romero

1. an instrument or machine for weighing
3. partial darkness or obscurity within a part of space from which rays from a source of light are cut off by an interposed opaque body
4. Star: the star of the northern hemisphere toward which the axis of the earth points
7. one that navigates or is qualified to navigate
8. staff: an instrument formerly used at sea for taking the altitude of a celestial body
10. a large seagoing vessel
11. a step or stage in a process, course, or order of classification
13. map: a map often made by photography that gives the positions and magnitudes of the stars
15. an instance of reflecting
16. an instrument for measuring altitudes
18. something that makes vision possible
19. a lead weight attached to a line and used to indicate a vertical direction

1. an instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies
2. extent or distance from side to side
5. an instrument similar to a cross-staff but fitted with a reflector and formerly used for taking the altitudes of heavenly bodies
6. a horizontal member (as of a structure)
9. the line where the earth seems to meet the sky
12. the study of properties of given elements that remain invariant under specified transformations
14. free from error especially as the result of care
17. a corner whether constituting a projecting part or a partially enclosed space