Gravity and the Solar System

Objects with greater masses have a .. force of attraction than objects with lesser masses have.

An ...is the path that a body follows as it travels around another body in space.

Objects that are close together have a ..force of attraction than objects that are far apart

.. used special instruments to accurately measure planetary motions over a period of 20 years.

.. changed our view of the solar system.

Kepler found that a planet moves .. at aphelion, sweeping out a narrow sector on the ellipse

Using Tycho’s data, Johannes Kepler discovered what we call Kepler’s laws of

Gravity is a force of attraction between objects due to ....... and the distances between them

There is also a point, called ...., where the object is closest to the sun.

When an object follows an elliptical orbit around the sun , a point called aphelion where