| A | B |
|---|
| penumbra | Larger outer area of eclipse where light is only partially blocked out |
| umbra | Small, completely dark inner area of eclipse |
| path of umbra | total solar eclipse |
| Lunar Eclipse | Sun → Earth → Moon |
| Solar Eclipse | Sun → Moon → Earth |
| path of penumbra | partial solar eclipse |
| gravity of moon | 1/6 that of Earth |
| One day & night on moon | 14 Earth days |
| Diameter of moon | 1/4 diameter of Earth |
| Moon | no water, atmosphere or weather |
| Moon's largest crater | Copernicus |
| highlands | mountain ranges on moon |
| Maria | smooth, lowland plains on moon |
| moon craters | caused by meteorites hitting moon |
| magnetism in moon rocks | moon may have iron core |
| 1st Moon origin model | Moon captured by Earth's gravity |
| 2nd Moon origin model | Moon formed of same dust that formed other planets |
| 3rd Moon origin model | Giant asteroid struck taking a chunk out of Earth |
| 2 full moons in one month | Blue Moon |
| One complete lunar cycle | 29.5 days |
| New Moon | not visible due to moon passing between Earth & Sun |
| Waning crescent moon | visible lighted area grows SMALLER during lunar cycle |
| Waxing crescent moon | visible lighted area grows LARGER during lunar cycle |
| Cresent Moon | lighted side of moon visible/appears to grow larger |
| 1st Quarter Moon | 1/2 moon appears lighted |
| Full Moon | Entire moon visible |
| Last Quarter Moon | Lighted area of moon appears smaller |
| Your weight on the moon | Divide your weight by 6 |
