vocab words for ch 19 section 1,2 and 4

2. one of the different shapes on the moon seen from earth
3. anything that has to do with the sun
5. occurs when the moon passes between the earth and the sun
7. the president who launch an enormous program of space exploration
10. an Italian astronomer who made his own telescope
13. a force that pulls on the moon and earth toward each other
14. is a measurement of distance from the equator expressed in degrees north and south
16. means equal night and day
17. the path of an object as it revolves around another object in space
18. the part of the shadow surrounding the darkest part
21. occurs at a full moon when earth is directly between the moon and the sun
22. the star that helped the Egyptians predict each year flood
23. the movement of one object around another object
24. a device built to study distant objects by making them seem closes
25. the imaginary line though the middle of earth

1. round pits on the moons surface
4. occurs around march 21
6. occurs when an object comes between the sun and a third object
8. anything that has to do with the moon
9. the two days of the year when on which the noon sun is directly overhead at 23.5 degrees north or south
11. occurs around September 23
12. the first to create a calendar
15. dark flat areas on the moon
19. the darkest part of the moons shadow
20. the study of the moon stars and other objects in space
24. rise and fall of earths water