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The Foundations of Astronomy Ashley Peter. Redshift The Universe.

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

1 The Foundations of Astronomy Ashley Peter

2 Redshift http://www.astro.virginia.edu/~jh8h/glossary/redshift.htm The Universe

3 http://www.umich.edu/~gs265/bigbang.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 Planet Formation http://oz.plymouth.edu/~sci_ed/Turski/Courses/Earth_Science/Ima ges/0.Our_solar_system.JPG

6 Star Formation https://coolwiki.ipac.caltech.edu/index.php/Studying_Young_Stars

7 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

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

9 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

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

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

12 http://www.sbig.com/dss7/ds s7.htm DSS-7 Spectrograph http://www.astro.washington.edu/users/premap/ima ges/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.

13 How a spectrograph works: Dispersion of light from a diffraction grating light http://outreach.atnf.csiro.au/education/senior/astrophysics/spectrographs.html

14 Blue region spectrum of R Sct (TLRBSE program in 2004) Type G Class I star from Jacoby Atlas

15 ST-7XME CCD Camera http://www.sbig.com/sbwhtmls/online.htm MaxIm DL

16 Bibliography Block, Sarah. “A Ten Step Program for Star and Planet Formation.” National Science Foundation. 9 November 2005. Block, Sarah. “A Ten Step Program for Star and Planet Formation.” National Science Foundation. 9 November 2005. Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. 10 April 2009. Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. 10 April 2009. Covington, Michael A. “Processing DSLR Raw Images with MaxDSLR and MaxIm DL.” 25 December 2006. Covington, Michael A. “Processing DSLR Raw Images with MaxDSLR and MaxIm DL.” 25 December 2006. Guidry, Mike. “Star Clusters.” March 2007. Guidry, Mike. “Star Clusters.” March 2007. Infrared Processing and Analysis Center. “Star Formation.” 2006. Infrared Processing and Analysis Center. “Star Formation.” 2006. Jacoby, George et al. “A Library of Stellar Spectra.” Astrophysical Journal. October 1984. Kelusa, Craig. “What is Spectroscopy?” University of Arizona. 14 Feb 1997. Kelusa, Craig. “What is Spectroscopy?” University of Arizona. 14 Feb 1997. 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. Lestition, Kathy. “Stellar Evolution.” Chandra X-Ray Observatory. NASA. 24 September 2008. Lestition, Kathy. “Stellar Evolution.” Chandra X-Ray Observatory. NASA. 24 September 2008. National Optical Astronomy Observatory. “Spectral Analysis for the RV Tau Star R Sct.” RBSE. 2008. 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. Sloan Digital Sky Survey. “The Hertzsprung-Russell Diagram.” 2007. Sloan Digital Sky Survey. “The Hertzsprung-Russell Diagram.” 2007. Smail, Ian. “The Hertzsprung-Russell Diagram of a Globular Cluster.” University of Durham, Department of Physics. 2 July 1998. Smail, Ian. “The Hertzsprung-Russell Diagram of a Globular Cluster.” University of Durham, Department of Physics. 2 July 1998.


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