According to Present Understanding,a Nova Is Caused by

question 115

Multiple Choice

According to present understanding,a nova is caused by

• A)hydrogen fusion on the surface of a white dwarf.
• B)carbon fusion in the core of a white dwarf.
• C)hydrogen fusion on the surface of a neutron star.
• D)a white dwarf that gains enough mass to exceed the 1.4-solar-mass limit.

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Definitions:

Projected Benefit Obligation

An actuarial estimate of the total present value of future retirement benefits earned to date, adjusted for expected future salary increases.

Prior Service Cost

The expense recognized in pension accounting when a plan is amended to increase benefits for service provided by employees in prior years.

Ending Balance

The amount of money in an account at the end of a financial period, after all transactions have been accounted for.

Plan Assets

The resources set aside to pay employee benefits under a pension or other post-employment benefit plan.