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Title: Active Galaxies
Url: http://www.astro.umd.edu/resources/introastro/actgal.html
Publisher: University of Maryland (College Park, Md.). Dept. of Astronomy
Description: This site discusses the different types of active galaxies: Double-Lobed radio galaxies, Seyfert Galaxies, BL Lac Objects, and quasars. These pages discuss the structure, components, behavior, and provide an image or diagram for each type. They also provide information about the role black holes may have in understanding active galaxies and an image of a suspected black hole at core of a NGC4261. The site ends with a short quiz.
LC Classification: Science -- Astronomy -- Descriptive astronomy -- Stars -- Galaxies -- Active galaxies
Science -- Astronomy -- Descriptive astronomy -- Stars -- Galaxies -- Active galaxies -- BL Lacertae objects
Science -- Astronomy -- Descriptive astronomy -- Stars -- Other particular types of stars, A-Z -- Black holes
Science -- Astronomy -- Descriptive astronomy -- Stars -- Quasars
Science -- Astronomy -- Study and teaching. Research
GEM Subject: Science -- Astronomy
Science -- Instructional issues
Key Concept: Astronomy -- Galaxies
Astronomy -- Black holes
Date Issued: 2009-02-10
Resource Type: Instructional Materials
Reference
Science Materials
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
Technical School First Cycle
University First Cycle
Language: English
Access Rights: Free access
Subject: Active Galaxies
Astronomy
BL Lac Objects
Double-Lobed Radio galaxies
galaxies
quasars
Seyfert Galaxies
Date Of Record Release: 2010-05-11 03:00:03 (W3C-DTF)
Date Last Modified: 2011-12-29 13:00:49 (W3C-DTF)
Source: comPADRE
Full Record Views: 63
Resource URL Clicks: 6
Cumulative Rating: NOT YET RATED
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