What Is the Origin of Short Gamma Ray Bursts

question 79

Multiple Choice

What is the origin of short gamma ray bursts?

• A)supernovae in the Milky Way
• B)new stars forming in the Milky Way
• C)the collision of stars in the dense nuclei of distant galaxies
• D)very powerful supernovae occurring in distant galaxies
• E)It is not known, but it may be the collision of a neutron star with a black hole.

---

Definitions:

Net Present Value

A financial metric used to evaluate the profitability of an investment, calculated by subtracting the present value of cash outflows from the present value of cash inflows over a period of time.

Discount Rate

The interest rate used to discount future cash flows to their present value, often reflecting the risk or cost of capital.

Payback Period

The amount of time it takes for an investment to generate an amount of income or cash equivalent to the cost of the investment.

Hurdle Rate

The minimum rate of return on an investment that a company or investor expects to earn, used as a benchmark for funding projects.