How Do We Know That the Stellar Disks in Spiral

question 9

Essay

How do we know that the stellar disks in spiral galaxies are flat? How do we know that elliptical galaxies are not flat?

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Definitions:

Beginning Inventory

The value of a company’s inventory at the start of an accounting period, before any purchases or sales have occurred.

Quarterly

occurring every three months or four times a year, often used to describe the periodic reporting schedule of businesses and investments.

Cost of Goods Sold

The expenditure directly associated with producing a company's sold goods, covering materials and labor involved.

Beginning Inventory

The value of an entity’s inventory at the start of an accounting period.