Sirius a and B Are Two Stars at the Same

question 12

Multiple Choice

Sirius A and B are two stars at the same distance from the Earth.In this binary system,Sirius A is much brighter but Sirius B is much hotter.From this information,what can you conclude about the two stars?

• A)Sirius B must be much smaller than Sirius A.
• B)Sirius B must be much larger than Sirius A.
• C)Sirius B must be much more massive than Sirius A.
• D)Sirius B must be much less massive than Sirius A.

Recognize the significance of internal motivation and professional values in producing quality work.

Explore various leadership theories and models including their propositions and implications for behavior and performance.

Understand the purposes and tactics of PR in sports and entertainment.

Recognize the role of PR in promoting products and events.

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Definitions:

George Sperling

A psychologist known for his research on the capacity of visual memory and the temporal duration of visual sensory memory.

Hermann Ebbinghaus

A psychologist best known for his research on memory, the forgetting curve, and the spacing effect.

Richard Atkinson

A psychologist who, along with Richard Shiffrin, proposed the multi-store model of memory, which includes sensory memory, short-term memory, and long-term memory.

Trace Memory

A type of memory that results from automatic or unconscious learning and is not part of our conscious awareness, often revealed through performance rather than explicit recall.