A Reflection Nebula Is Made Visible by

question 232

Multiple Choice

A reflection nebula is made visible by

• A) thermal energy emitted as a continuous spectrum by the very hot gas, much like that emitted by a hot body on Earth.
• B) light from embedded stars reflected over a wide range of wavelengths toward Earth by crystals of water, methane, and ammonia ices.
• C) emission lines from hydrogen, which itself has been ionized by UV light from embedded stars.
• D) blue light preferentially scattered by dust grains.

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Definitions:

Spreadsheet Program

A software application that enables users to organize, analyze, and store data in tabular form for various purposes including financial planning and managing information.

Outline

A general description or plan showing the essential features of something but not the detail.

Topic Headings

Descriptive titles used to organize sections or subsections within a document, making it easier to navigate and understand the content.

Organizing

The managerial function of arranging people and resources to work effectively together in order to achieve organizational goals.