22.9: The Solar System- Challenge 2
- Page ID
- 6163
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)
- 1. ___ is the planet most similar to Earth in terms of size and overall mass.
- Venus
- 2. Mercury makes about ___ revolutions around the Sun in the time Earth makes 10 revolutions.
- 40
- 3. On which planet would a person's weight be closest to their weight on Earth?
- Venus
- 4. The time it takes a planet to make one complete orbit around the Sun is known as its ___.
- orbital period
- 5. The planets' orbits are ___ in shape.
- slightly elliptical
- 6. ___ discovered the relationship between a planet's orbital period and its distance from the Sun.
- Johannes Kepler
- 7. ___ experiences the strongest gravitational attraction to the Sun.
- Mercury
- 8. Order the following in terms of decreasing gravitational force: Earth, Moon, Sun
- Sun, Earth, Moon
- 9. ___ is the planet that experiences the weakest gravitational attraction to the Sun.
- Neptune