Evidence for the Conclusion That the Longer-Living Gamma-Ray Bursters Are

question 361

Multiple Choice

Evidence for the conclusion that the longer-living gamma-ray bursters are very distant comes from the:

• A) extreme redshift of emission lines in the visible spectrum detected after a gamma-ray burst.
• B) delay in the arrival of the visible pulse behind the gamma-ray pulse, caused by the passage of the light through optically thick intergalactic material.
• C) spread in arrival times of different gamma-ray photon energies, indicating a long passage through intergalactic gas.
• D) presence of absorption lines from intergalactic gas clouds in the spectrum of remnant visible light following the gamma-ray burst.

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Definitions:

Total Variable Cost

Charges that fluctuate in direct relation to the volume of production or output.

Merchandising Company

A Merchandising Company is a business that purchases finished products and sells them at a profit, without altering the products themselves.

Cost Structure

The composition of a company’s costs, including fixed and variable costs, which impacts its profitability and pricing strategy.

Variable

A variable is an element, feature, or factor that is liable to vary or change; in business, it often refers to costs that fluctuate with the level of production or sales.