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What is the most accurate way to determine the distance to a nearby star?
Structural Differences
Variations or discrepancies in the physical layout, components, or makeup of an object, system, or body part.
Conception
The process of a sperm fertilizing an egg, leading to the formation of a zygote and the beginning of pregnancy.
Prenatal Period
The time from conception to birth; the developmental period occurring before birth.
Sexual Characteristics
Traits that distinguish between males and females within a species, often divided into primary (related to the reproductive system) and secondary (such as breast development or facial hair) characteristics.
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