Scientists Indicate That the First Stars Probably Formed at a Redshift

question 58

Multiple Choice

Scientists indicate that the first stars probably formed at a redshift z ~ 20.At that time the universe was about

• A) 5 percent its current size.
• B) 50 percent of Earth's size.
• C) as big as an atom.
• D) about 100 AU across.
• E) the size of a grapefruit.

---

Definitions:

Essentialism

A philosophical doctrine emphasizing the discovery and recognition of immutable essential characteristics that define entities, concepts, or categories.

Essentialist Arguments

Claims that certain behaviors, attributes, or interests are biologically determined and inherent to specific groups, dismissing social or cultural influences.

Historical Variability

Refers to the changes and variations in historical phenomena over time, demonstrating how events, practices, and societal norms evolve.

Cultural Variability

The range of differences in cultural practices, beliefs, and values among different societies or among different groups within a society.