If a Sunspot Has a Temperature of 4,500 K and the Surrounding

question 61

Multiple Choice

If a sunspot has a temperature of 4,500 K and the surrounding solar surface has a temperature of 5,800 K, how many times brighter is the surface compared to the sunspot

• A)0.28
• B)0.36
• C)2.8
• D)3.6
• E)36

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Definitions:

Cash Flows

The aggregate sum of money entering and exiting a business, notably affecting its cash flow.

WACC

Weighted Average Cost of Capital is an evaluation method for determining the cost of a company's capital, with each source of capital weighted based on its relative proportion.

Present Value

Present value is the current worth of a future sum of money or stream of cash flows, given a specified rate of return.

Regular IRR

The Internal Rate of Return (IRR) is a financial metric used to estimate the profitability of potential investments.