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Explain what is meant by retrograde motion only being an "observational artifact" in the heliocentric system.
Technology Products
Goods and services derived from scientific and technological advancements, geared toward consumers and businesses.
Widely Spoken Language
A language that is spoken by a large number of people across various regions or countries.
Devaluation
Reduction in a currency’s value relative to other currencies or to a fixed standard.
Imports
The act of bringing goods or services into one country from another for commercial purposes.
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