<em>-He solved Ptolemy's model by proving elliptical orbits.</em>
<em>-</em><em>He determined that planets move faster when closer to the Sun. </em>
<em>-He discovered laws of planetary motion</em>
Explanation
<u>Johannes Kepler is famed for his contribution to the field of planetary science where he notably was able to prove elliptical orbits for the motion of the planets round the sun, proposed that planets move faster when closer to the sun and discovered the laws of planetary motion. </u>
<u>Johannes Kepler is famed for his contribution to the field of planetary science where he notably was able to prove elliptical orbits for the motion of the planets round the sun, proposed that planets move faster when closer to the sun and discovered the laws of planetary motion. Kepler was a German scientist who idea contributed significantly to astronomy.</u>
•He discovered the path of motion of planets round the sun.
•He suggested the elliptical path were traced by revolving planets.
•He proposed a magic number that ensures a harmonious system in the universe.
•Kepler proposed that planets moves faster as they come closer to the sun.
<h2><em>Hope</em><em> this</em><em> answer</em><em> correct</em><em> </em><em>:</em><em>)</em></h2>
<em>Gravity has the same role as it does in any solar system it keeps the planets in order</em>
A because we, or in this, the children, wouldn’t be able to have fuel in their bodies
Answer:
Population density is a measurement of population per unit area
