ine_math">\( \varepsilon\!=\!\sqrt{1\!+\!\frac{b^2}{a^2}}\,, \; 1\!&lt;\!\varepsilon\!&lt;\!\infty \)</span></td>
</tr></table><div class="caption"><span class="header">Table 1.1: </span><span class="description">The four conic sections and their eccentricity parameters.<span class="intersentencespace"></span> 
</span></div></div>
<p>The motion of the planets is explained by Newton’s law of gravitation.<span class="intersentencespace"></span> The gravitational interaction between two bodies always leads o