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Earth, Sun, Moon
Term | Definition |
---|---|
sphere | a solid shape that is perfectly round like a ball |
orbit | the path that a body follows as it travels around another body in space |
rotation | the spinning of the earth on its axis |
revolution | the movement of an object around another object |
ellipse | an elongated circle or oval shape |
phases of the moon | the progression of changes in the moon's appearance during the month |
new moon | a moon that is completely dark because it'ls unlit side is facing Earth |
full moon | the phase of the moon in which we see the entire moon lighted, and it appears bright and round |
lunar eclipse | occurs at a full moon when Earth is directly between the moon and the sun |
solar eclipse | occurs when the moon passes directly between the sun and the earth and casts a shadow over part of the Earth |