Exam-style question
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Hubble time: Identify the cautious interpretation of one over the Hubble constant. This tests State and apply Hubble's law. in Hubble's law.
- A.Hubble time answer: It gives an approximate expansion timescale, not a precise calendar age by itself.
- B.Hubble time distractor: It gives star surface temperature.
- C.Hubble time misconception: It measures image angular diameter.
- D.Hubble time off-scope: It states a detector efficiency.
Model answer
What a good answer should say
- The correct option is Hubble time answer: It gives an approximate expansion timescale, not a precise calendar age by itself.
Explanation
Why this works
It is correct because it applies Hubble's law evidence to State and apply Hubble's law.. The other options are incorrect because they swap in a different astrophysics measurement, telescope property or cosmology idea.
Common mistake
No common mistake is linked to this question yet.