How Much Mass Was There in the Protoplanetary Disk Out

question 14

Multiple Choice

How much mass was there in the protoplanetary disk out of which the planets formed,compared to the mass of the Sun?

• A) 50 percent
• B) 10 percent
• C) 5 percent
• D) < 1 percent

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Definitions:

Discount Rate

The rate of interest applied to calculate the present value of future cash flows.

Net Present Value

A method used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows over a period of time.

Investment Project

A project requiring capital investment, aiming to generate financial returns or benefits in the future.

Cash Operating

Refers to the activities that involve the cash inflows and outflows from a company's primary business operations.