Kepler's Laws of Planetary Motion

<p>The stronger the pull, the faster the planet moves (B)</p> Signup and view all the answers

<p>The larger the orbit, the longer the time to complete it (C)</p> Signup and view all the answers

<p>The farther the planet, the slower it moves and the longer the time to complete its orbit (A)</p> Signup and view all the answers

<p>A planet's orbital speed is constant throughout its orbit (D)</p> Signup and view all the answers

<p>By giving the satellite an initial speed (C)</p> Signup and view all the answers

<p>Because Earth's gravity pulls it towards the ground. (D)</p> Signup and view all the answers

<p>To stay constantly above a fixed position on Earth. (C)</p> Signup and view all the answers

<p>Equal to Earth's rotation speed. (A)</p> Signup and view all the answers

<p>Because they allow antennas to stay pointed at a fixed position. (B)</p> Signup and view all the answers

<p>Planets formed from a cloud of dust, gas, and ice that orbited the Sun due to its gravity. (A)</p> Signup and view all the answers

<p>Gravity (A)</p> Signup and view all the answers

<p>The Moon orbits Earth, and Earth orbits the Sun, but neither Earth nor the Sun remain completely still. (D)</p> Signup and view all the answers

<p>Objects of similar mass orbit each other with neither object at the centre, while small objects orbit around larger objects. (D)</p> Signup and view all the answers

<p>Orbits are shaped like perfect circles around the larger object. (B)</p> Signup and view all the answers