Solar system study Worksheet

the distance from one side of a circle through the focus, and to the other side
The length of the curve of a circle
the distance on a circle from the focus to the circumference
size of an object when compared with the size of surrounding objects
unit of length equal to one thousandth of a meter
A closed curved line on which all points are equidistant from it's center
unit of length equal to one hundredth of a meter
The point along a planet's orbit at which it is nearest to the sun
the distance between objects when compared with the distance between surounding objects
the point at the center of a circle or the two points inside an ellipse
A numerical representation of a relationship between two measurements as in a scale for a drawing or model
The international standard unit of length
the point along a planet's orbit at which it is farthest from the sun
A two dimensional scaled representationof a smaller or larger object
a proportion used in determining the relationship between two measurements of size or distance