State true (T) or false (F).
Mercury is the same size as the Earth. ___

Explanation

To determine whether the statement "Mercury is the same size as the Earth" is true or false, we can follow these steps:

1. **Understand the Sizes of Mercury and Earth**:
- Mercury has a radius of approximately 2,440 kilometers.
- In comparison, Earth has a radius of about 6,371 kilometers.

2. **Compare the Sizes**:
- To compare the sizes, we can look at the ratio of their radii. Mercury's radius is about one-third of Earth's radius. This indicates that Mercury is significantly smaller than Earth.
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