During Part of Its Time as a Red Giant,a Star

question 8

Short Answer

During part of its time as a red giant,a star remains at roughly the same temperature but increases in luminosity by a factor of 1,000.By what factor does its radius increase?

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Definitions:

Interest Rate

The percent of principal charged by the lender for the use of its money.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return, used in assessing investment opportunities.

Compounded Annually

Describes how interest on an investment or loan is calculated once a year, with each year's interest based on the principal plus any previously earned interest.

Return

The gain or loss on an investment over a specified period, expressed as a percentage increase over the original investment cost.