One Reason to Prefer a Reflecting Over a Refracting Telescope

question 64

Multiple Choice

One reason to prefer a reflecting over a refracting telescope is its

• A) lack of chromatic aberration.
• B) shorter length for the same aperture size.
• C) lighter weight for larger apertures.
• D) All of the above are valid reasons.

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Definitions:

Future Value

The value of a current asset at a specified date in the future based on an assumed rate of growth or interest.

Present Value

The contemporary valuation of a future amount of money or series of cash inflows, calculated with a particular rate of return.

Discount Rate

The Discount Rate represents the interest rate applied to calculate the present value of future cash flows within discounted cash flow analysis.

Present Value

The worth as of today of a future money sum or cash flow series, taking into consideration a specific rate of return.