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:

Accommodation Party

An individual who signs a loan or credit application on behalf of another, promising to pay if the primary borrower fails to do so.

Maker

A person who promises to pay a set sum to the holder of a promissory note or certificate of deposit.

Drawer

The party in a transaction that issues or writes a check or draft, instructing their bank to pay a specified sum to a certain beneficiary.

Notice Of Dishonor

A formal notification that a negotiable instrument, like a check, has been refused payment and is dishonored.