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The Foundations of Astronomy Ashley Peter. The Universe

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Presentation on theme: "The Foundations of Astronomy Ashley Peter. The Universe"— Presentation transcript:

1 The Foundations of Astronomy Ashley Peter

2 The Universe http://www.umich.edu/~gs265/bigbang.htm

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

4 Galaxies Spiral- Whirlpool Galaxy http://www.daviddarling.info/images/Whirlpool_Galaxy.jpg http://www.redorbit.com/modules/reflib/article_images/6_466 3ec14873a296051bd94e54e498ea8.jpg Elliptical- NGC 1316 http://gallery.rcopticalsystems.com/gallery/ngc1365_crop.jpg Barred Spiral- NGC 1365 http://www.spacedaily.com/images/galaxy-ese-593-ig-008-desk- 1360.jpg Irregular- “The Cosmic Bird”

5 Star 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

6 H-R Diagram http://www.aoi.com. au/bcw/Placid/PUF- 3-hrdiagram.jpg Cluster Demo H-R Diagram

7 Star Formation Dust Grains Gaps Form Many Gaps Collisions Ring of Dust Planetary System

8 Stellar Evolution 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

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

10 Spectral Classification http://astro.unl.edu/naap/hr/hr_background1.html

11 http://zebu.uoregon.edu/%7Eimamura/122/images/MK-sequence.jpg Class Hotter Cooler

12 http://www.astro.washington.edu/use rs/premap/images/project_images/so lar_spectrum.jpg The appearance of a stellar spectrum. Spectra are usually recorded digitally as a graph rather than in bands of light.

13 Planet Formation http://oz.plymouth.edu/~sci_ed/Turski/Courses/Earth_Science/Ima ges/0.Our_solar_system.JPG

14 Bibliography Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. Guidry, Mike. “Star Clusters.” March 2007.<http://csep10.phys.utk.edu /guidry/violence/starclusters.html> Infrared Processing and Analysis Center. “Star Formation.” 2006. Infrared Processing and Analysis Center. “Star Formation.” 2006. Kronberg, Christine. “Star Clusters.” 14 August 2007. http://seds.lpl.arizona.edu/MESSIER/cluster.html Lee, Kevin. “Spectral Classification of Stars.” 2005. Lee, Kevin. “Spectral Classification of Stars.” 2005. O’Neal, John W. “A Digital Astrophotography Primer: The Sequel.” Pages 15-25. Santa Barbara Instrument Group. “DSS-7: Deep Space Spectrograph.” 20 March 2006. <http://www.sbig.com/sbwhtmls/online.htm> Seeds, Michael A. Foundations of Astronomy. Brooks/Cole. 2005.


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