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    Answer 7 out of 8 questions correctly.

Our solar system is made up of the Sun and all the objects that move around it. These objects include planets, moons, asteroids, and comets.
The sizes of the objects in the solar system are difficult to imagine without the help of a
model.
Models make certain characteristics of a system easier to understand. A model can be a physical object, a graph, a diagram, or a simulation.
The diagram below is a model that shows the relative sizes of the Sun, the Moon, and Earth. The two small dots represent the accurate sizes of Earth and the Moon compared to the Sun. A close-up view of Earth and the Moon is also shown.
Complete the sentence to estimate the diameter of the Sun compared to Earth.
The Sun's diameter is about 
10

 times greater than Earth's.
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