Star a Is a Main Sequence Star of Spectral Type

question 73

Multiple Choice

Star A is a main sequence star of spectral type G5 and star B is a red giant of spectral typeK2. Which statement below is correct?

• A)Star A appears brighter than star B.
• B)Star B appears brighter than star A.
• C)Star A is hotter than star B.
• D)Star B is hotter than star A.
• E)None of the above can be said about these two stars.

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Definitions:

Acclimatization

Acclimatization is the process by which an organism adjusts to changes in its environment, ensuring survival and maintaining performance across a range of environmental conditions.

Learned Behavior

Actions or reactions that individuals acquire through experience or by observing others, in contrast to innate behaviors.

Mammals

The class of vertebrate animals distinguished by bodies covered with hair or fur, self-regulating temperature, and in females, milk-producing mammary glands.

Reptiles

are a class of ectothermic, scaled vertebrates that include snakes, lizards, turtles, and crocodilians, distinct for their ability to lay eggs on land.