How Many Second-Magnitude Stars Would Be Needed in a Close

question 100

Multiple Choice

How many second-magnitude stars would be needed in a close cluster to match the light intensity of a first-magnitude star?

• A) about 2.5
• B) 2
• C) about 10
• D) about 0.4, or 1/2.5

---

Definitions:

Natural Selection

The process whereby those members of a species that survive and reproduce most effectively are the ones that pass along their genes to future generations.

Evolutionary Theory

Theory of sexuality asserting that the sex drive has been shaped by natural selection and that its forms thus tend to be innate.

Traits

Enduring characteristics or qualities that define an individual's behavior across various situations.

Individual Fitness

In biology, it refers to an organism's ability to pass its genes to the next generation, often measured by reproductive success.