Which Distance Indicator Can Be Used to Measure the Most

question 11

Multiple Choice

Which distance indicator can be used to measure the most distant objects?

• A) Cepheids
• B) parallax
• C) Type I supernovae
• D) main-sequence fitting
• E) RR Lyrae stars

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Definitions:

Straight-Line Depreciation

A technique for distributing the expense of a physical asset evenly across its lifespan in identical yearly payments.

Minimum Rate Of Return

The lowest acceptable return on investment, beyond which investment options are not considered.

Mutually Exclusive

Situations or events that cannot occur at the same time, meaning the occurrence of one event prevents the occurrence of the other.

IRRs

Internal Rate of Return (IRR) is a metric used in financial analysis to estimate the profitability of potential investments, calculated as the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.