Briefly Explain How We Can Use Spectral Lines to Determine

question 60

Essay

Briefly explain how we can use spectral lines to determine an object's radial motion (toward or away from us). Can we also learn the object's tangential motion (across our line of sight)from its spectral lines?

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Definitions:

Address

The specific location of a piece of data in memory, represented numerically.

Array

An array is a data structure consisting of a collection of elements, each identified by at least one array index or key.

Array Address

The memory location of the first element in an array, from which the positions of subsequent elements can be calculated.

Function

A block of organized, reusable code that is used to perform a single, related action within a program.