What is the lower estimated diameter for the spherical Death Star I battle station?
Answer
120 kilometers
The text specifies a range for the diameter of the initial version of the weapon, referred to as the Death Star I. The estimates provided place this spherical battle station between 120 kilometers and 160 kilometers across. Based on the lower bound of this range, the diameter is 120 km, which yields a specific calculated volume of roughly $1.13 \times 10^6$ cubic kilometers when using the formula $V = \frac{4}{3} \pi r^3$ with a radius of 60 km. This volume alone illustrates the sheer scale that must be filled with structural material and internal systems.
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