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How do we know that globular cluster stars are not the first stars that have ever formed? Would this understanding change if some or all globular clusters came into the galaxy by accretion of small satellite galaxies?
Industrial Revolution
refers to the period of major industrialization that took place during the late 18th and early 19th centuries, transforming economies from agrarian to industrial and manufacturing.
Liberty and Monopoly
A concept exploring the tension between individual freedoms and the control of markets by large corporations or monopolies.
Liberty of American Workers
The concept of freedom and rights within the workplace, historically tied to the labor movement's fight for fair wages, safe working conditions, and the right to unionize.
Gilded Age
A term for the late 19th century in the United States, marked by economic growth, political corruption, and social inequality.
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Q71: Planets that are close to their stars
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Q94: X-ray observations indicate that around the Milky