The Foundations of Astronomy Ashley Peter. Redshift The Universe.

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Presentation transcript:

The Foundations of Astronomy Ashley Peter

Redshift The Universe

Galaxies Spiral- Whirlpool Galaxy 3ec14873a296051bd94e54e498ea8.jpg Elliptical- NGC Barred Spiral- NGC jpg Irregular- “The Cosmic Bird”

Planet Formation ges/0.Our_solar_system.JPG

Star Formation

Star Clusters Globular Cluster- 47 Tucanae Open Cluster- The Jewel Box

H-R Diagram au/bcw/Placid/PUF- 3-hrdiagram.jpg Cluster Demo H-R Diagram

Stellar Evolution Here, the pressure out equals the gravity in. Mass determines the evolution

Class Hotter Cooler Spectral Classification

Spectroscopy

s7.htm DSS-7 Spectrograph 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.

How a spectrograph works: Dispersion of light from a diffraction grating light

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

ST-7XME CCD Camera MaxIm DL

Bibliography Block, Sarah. “A Ten Step Program for Star and Planet Formation.” National Science Foundation. 9 November Block, Sarah. “A Ten Step Program for Star and Planet Formation.” National Science Foundation. 9 November Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. 10 April Canright, Shelley. “Stellar Evolution - The Birth, Life, and Death of a Star.” NASA. 10 April Covington, Michael A. “Processing DSLR Raw Images with MaxDSLR and MaxIm DL.” 25 December Covington, Michael A. “Processing DSLR Raw Images with MaxDSLR and MaxIm DL.” 25 December Guidry, Mike. “Star Clusters.” March Guidry, Mike. “Star Clusters.” March Infrared Processing and Analysis Center. “Star Formation.” Infrared Processing and Analysis Center. “Star Formation.” Jacoby, George et al. “A Library of Stellar Spectra.” Astrophysical Journal. October Kelusa, Craig. “What is Spectroscopy?” University of Arizona. 14 Feb Kelusa, Craig. “What is Spectroscopy?” University of Arizona. 14 Feb Kronberg, Christine. “Star Clusters.” 14 August Lee, Kevin. “Spectral Classification of Stars.” Lee, Kevin. “Spectral Classification of Stars.” Lestition, Kathy. “Stellar Evolution.” Chandra X-Ray Observatory. NASA. 24 September Lestition, Kathy. “Stellar Evolution.” Chandra X-Ray Observatory. NASA. 24 September National Optical Astronomy Observatory. “Spectral Analysis for the RV Tau Star R Sct.” RBSE O’Neal, John W. “A Digital Astrophotography Primer: The Sequel.” Pages Santa Barbara Instrument Group. “DSS-7: Deep Space Spectrograph.” 20 March < Seeds, Michael A. Foundations of Astronomy. Brooks/Cole Sloan Digital Sky Survey. “The Hertzsprung-Russell Diagram.” Sloan Digital Sky Survey. “The Hertzsprung-Russell Diagram.” Smail, Ian. “The Hertzsprung-Russell Diagram of a Globular Cluster.” University of Durham, Department of Physics. 2 July Smail, Ian. “The Hertzsprung-Russell Diagram of a Globular Cluster.” University of Durham, Department of Physics. 2 July 1998.