What Is a Spectrograph and Why Is It Considered an Astronomer's

question 65

Essay

What is a spectrograph and why is it considered an astronomer's most powerful instrument?

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Definitions:

Take Home

The net amount of income that an individual actually receives after all deductions, such as taxes and social security contributions.

Taxable Bond Portfolio

A collection of bonds whose interest payments are subject to federal and possibly state income taxes.

Roth Retirement Plan

A type of retirement savings plan allowing taxable withdrawals to be made tax-free, provided certain conditions are met.

401k

An employer-backed retirement investment program that permits workers to allocate a part of their earnings for savings before any tax deductions.