If We Went Back in Time 10 Billion Years,would We

question 93

Multiple Choice

If we went back in time 10 billion years,would we expect Hubble's constant to be identical to the present-day Hubble constant?

• A)Yes,a constant never changes.
• B)No,Hubble's constant is roughly equal to 1 divided by the age of the universe,and 10 billion is a substantial enough number to notice a difference.
• C)If we went back further in time,it would be different,but 10 billion years is not enough.
• D)It would only change if we went 10 billion years into the future.

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Definitions:

Longitudinal

A study design that follows the same subjects over a period of time to observe changes or developments.

Sequential

Pertaining to or following a logical order or a sequence where one thing comes after another in a specified order.

Cross-Sectional

A type of observational study that analyzes data collected from a population, or a representative subset, at a specific point in time.

Cognitive Skills

Mental abilities involved in processing information, understanding concepts, and solving problems through logical reasoning and thought.