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Question

Difficulty: MediumSingle-Sentence Inferences

Consider the following excerpt from a historical study of solar astronomy:

"Although mid-nineteenth-century astrophysicists initially posited that solar flares were localized atmospheric disturbances unique to the Sun's equator, Gustav Spörer’s systematic observations of sunspot migration demonstrated that these energetic eruptive events occur across a much wider range of heliocentric latitudes over the course of an eleven-year solar cycle."

Based on this excerpt, Spörer’s empirical findings directly challenged the idea that solar flares are confined solely to the equatorial region of the Sun.

Answer: Answer

Answer

True
The statement accurately reflects the explicit logical deduction of the passage sentence. The sentence contrasts an earlier hypothesis (that solar flares were unique to the Sun's equator) with Spörer's observational proof (that flares occur across a much wider range of heliocentric latitudes). Expanding the observed zone of solar flares beyond the equator directly contradicts the notion that they are restricted exclusively to the equatorial region.

Step-by-Step Solution

1
Identify the baseline claim posited by mid-nineteenth-century astrophysicists.
Astrophysicists initially posited that solar flares were localized disturbances 'unique to the Sun's equator.'
Establishing the early scientific consensus is necessary to determine what hypothesis was being tested.
2
Analyze Gustav Spörer’s empirical findings as presented after the structural pivot ('Although...').
Spörer’s systematic observations proved that these eruptive events take place across 'a much wider range of heliocentric latitudes.'
This establishes that the geographical distribution of solar flares is broader than previously believed.
3
Compare Spörer’s findings to the statement being evaluated.
Because Spörer demonstrated that flares occur across a wider range of latitudes beyond the equator, his findings directly challenge the claim that flares are confined solely to the equator.
The logical implication of Spörer's work directly refutes the concept of strict equatorial confinement, making the statement True.

Key Concept

Single-Sentence Inferences
Estimated Time:1m 30s
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Single-Sentence Inferences

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