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The moon is 240,000 miles from earth-center, or 60 times as far as we are from center

Located in Physics / Gravity

About 50 years before Newton formulated the law of gravity, Johanne Kepler (1571-1630) had found some rules that could be used to calculate the orbits of the ...

Located in Physics / Gravity

Drawing a circle

Located in Physics / Gravity / Kepler's Laws

State Kepler's first law

Located in Physics / Gravity / Kepler's Laws

Kepler's third law states

Located in Physics / Gravity / Kepler's Third Law

The time for one cycle of the sun is called a planet's ______ of revolution

Located in Physics / Gravity / Kepler's Third Law

The following is Kepler's third law as a formula

Located in Physics / Gravity / Kepler's Third Law

Subtract whole numbers

To subtract two whole numbers, think of taking away objects from a set. For example, if we start with a set of 9 stars and take away a set of 4 stars, a set of ...

Located in Mathematics / … / Whole Numbers / Subtracting Whole Numbers

We can write a subtraction problem in

Located in Mathematics / … / Subtracting Whole Numbers / Subtract whole numbers

We read the following subtraction problem as

Located in Mathematics / … / Subtracting Whole Numbers / Subtract whole numbers

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