question | answer |
atronomy | the study of the moon,stars and other oblects in space |
rotation | the spinning on its axis |
fun facts | -Earths rotation on its axis causes day and night -it takes earth about 24 hours to rotate once on its axis |
revolution | the movement of one object around another object |
orbit | Earths path as it revolves around the sun |
calendar | a system of organizing time that defines the beginning,length and divisions of a year |
facts | earth has seasons because it is tilted as it moves around the sun |
solstice | when the sun reaches its greatest distance North or South of the equator |
equinox | when the noon sun is directly overhead of the equator |
fun facts | the moon revolves around the earth every 27.3 days |
phases | the diffrent shapes of the moon that you see from Earth |
eclipse | when an object in space comes between the sun and a third object that casts a shadow on that object |
solar eclipse | occrus when a new moon blocks your veiw of the sun. |
umbra | the darkest part of the moons shadow |
penumbra | another part of the shadow is less dark and larger than the umbra. |
lunar eclipse | occurs at a full moon when earth is direcly between the moon and the sun |
lunar eclipse | occurs at a full moon when Earth is directly between the moon and the sun |
facts | the moon revolves around earth every 27.3 days. during a lunar eclipse Earths shadow falls on the moon |
tides | the rise and fall of the oceans water every 12.5 hours. the force of gravity pulls the moon and earth toward each other |
spring tide | |