The Foundations The Foundations of Astronomyof Astronomy

Ashley PeterAshley Peter

The UniverseThe Universe

http://www.umich.edu/~gs265/bigbang.htm

Redshift

http://www.astro.virginia.edu/~jh8h/glossary/redshift.htm

GalaxiesGalaxies

Spiral- Whirlpool Galaxyhttp://www.daviddarling.info/images/Whirlpool_Galaxy.jpg http://www.redorbit.com/modules/reflib/article_images/

6_4663ec14873a296051bd94e54e498ea8.jpg

Elliptical- NGC 1316

http://gallery.rcopticalsystems.com/gallery/ngc1365_crop.jpg

Barred Spiral- NGC 1365http://www.spacedaily.com/images/galaxy-ese-593-ig-008-desk-1360.jpg

Irregular- “The Cosmic Bird”

Star ClustersStar Clusters

Globular Cluster- 47 Tucanae

http://www.spiegelteam.de/Filmaufnahmen/47tuc.jpg

Open Cluster- The Jewel Box

http://astronomy.swin.edu.au/sao/guest/bessell/Jewelbox.jpg

H-R DiagramH-R Diagram

http://www.aoi.com.au/bcw/Placid/PUF-3-hrdiagram.jpg

Cluster Demo H-R Diagram

Star FormationStar FormationDust Grains

Gaps Form

Many Gaps

Collisions

Ring of Dust

Planetary System

Stellar EvolutionStellar Evolution

QuickTime™ and a decompressor

are needed to see this picture.

QuickTime™ and a decompressor

are needed to see this picture.

http://www.nasa.gov/audience/forstudents/9-12/features/stellar_evol_feat_912.html/

Here, the pressure out equals the gravity in.

Mass determines the evolution

http://www.siprep.org/faculty/aokeefe/images/stellarevolution-stellar_fate_type1a_label_300dpi.jpg

Spectral ClassificationSpectral Classification

http://astro.unl.edu/naap/hr/hr_background1.html

http://zebu.uoregon.edu/%7Eimamura/122/images/MK-sequence.jpghttp://zebu.uoregon.edu/%7Eimamura/122/images/MK-sequence.jpg

Class

Hotter

Cooler

http://www.astro.washington.edu/users/premap/images/project_images/solar_spectrum.jpg

The appearance of a stellar spectrum. Spectra are usually recorded digitally as a graph rather than in bands of light.

Planet FormationPlanet Formation

http://oz.plymouth.edu/~sci_ed/Turski/Courses/Earth_Science/Images/0.Our_solar_system.JPG

BibliographyBibliographyCanright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.”

NASA. <10 April 2009. NASA. <10 April 2009. http://www.nasa.gov/audience/forstudents/9-12/features/stellar_evol_feat_912http://www.nasa.gov/audience/forstudents/9-12/features/stellar_evol_feat_912.html>.html>

Guidry, Mike. “Star Clusters.” March 2007.<http://csep10.phys.utk.eduGuidry, Mike. “Star Clusters.” March 2007.<http://csep10.phys.utk.edu

/guidry/violence/starclusters.html>/guidry/violence/starclusters.html>

Infrared Processing and Analysis Center. “Star Formation.” 2006. Infrared Processing and Analysis Center. “Star Formation.” 2006. <http://www.ipac.caltech.edu/Outreach/Edu/sform.html><http://www.ipac.caltech.edu/Outreach/Edu/sform.html>

Kronberg, Christine. “Star Clusters.” 14 August 2007. Kronberg, Christine. “Star Clusters.” 14 August 2007. http://seds.lpl.arizona.edu/MESSIER/cluster.htmlhttp://seds.lpl.arizona.edu/MESSIER/cluster.html

Lee, Kevin. “Spectral Classification of Stars.” 2005. Lee, Kevin. “Spectral Classification of Stars.” 2005. <http://astro.unl.edu/naap/hr/hr_background1.html><http://astro.unl.edu/naap/hr/hr_background1.html>

O’Neal, John W. “A Digital Astrophotography Primer: The Sequel.” Pages 15-25.O’Neal, John W. “A Digital Astrophotography Primer: The Sequel.” Pages 15-25.

Santa Barbara Instrument Group. “DSS-7: Deep Space Spectrograph.” 20 March Santa Barbara Instrument Group. “DSS-7: Deep Space Spectrograph.” 20 March 2006. 2006.

<http://www.sbig.com/sbwhtmls/online.htm><http://www.sbig.com/sbwhtmls/online.htm>

Seeds, Michael A. Seeds, Michael A. Foundations of Astronomy.Foundations of Astronomy. Brooks/Cole. 2005. Brooks/Cole. 2005.