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Articles 241 - 270 of 307
Full-Text Articles in Astrophysics and Astronomy
Determining Pulsation Period For An Rr Lyrae Star, Leah M. Fabrizio
Determining Pulsation Period For An Rr Lyrae Star, Leah M. Fabrizio
Physics
No abstract provided.
Book Review: Finding The Big Bang, T. D. Oswalt
Book Review: Finding The Big Bang, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Finding the Big Bang edited by P. James E. Peebles, Lyman A. Page Jr., and R. Bruce Partridge Cambridge, 2009 571p, 9780521519823 $80.00
Book Review: Clocks In The Sky: The Story Of Pulsars, T. D. Oswalt
Book Review: Clocks In The Sky: The Story Of Pulsars, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Clocks in the Sky: The Story of Pulsars by Geoff McNamara, Springer/Praxis, 2008 190p, 9780387765600 $29.95.
Using Maxwells Z Model To Determine Lunar Mare Lava Thickness, Autumn Wille
Using Maxwells Z Model To Determine Lunar Mare Lava Thickness, Autumn Wille
Honors Capstones
Capstone submitted as a graduate requirement for the BSU Honors Program.
Book Review: Electronic Imaging In Astronomy: Detectors And Instrumentation 2nd Ed., T. D. Oswalt
Book Review: Electronic Imaging In Astronomy: Detectors And Instrumentation 2nd Ed., T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Electronic imaging in astronomy : detectors and instrumentation 2nd ed. by Ian S. McLean, Springer/Praxis, 2008 552p, 9783540765820 $99.00
General Search For Stars With Rapid Optical Variations: Test Fields, Elizabeth Fagg, Jieun Park, Kelly Pearson, Robert Kehoe
General Search For Stars With Rapid Optical Variations: Test Fields, Elizabeth Fagg, Jieun Park, Kelly Pearson, Robert Kehoe
Journal of Undergraduate Research
We present a search for stars exhibiting short time-scale optical lightvariations. Our search employs archival data taken by the ROTSE1 telephotoarray in two eight degree fields of view. This is a test study considering two fields which overlap fields previously mined for variables, but with different dataand search techniques. Each field was observed for approximately six continuous hours. We employ a general search strategy based on statistical properties of theobserved light curves for each object. The analysis is sensitive to sources with variations < 0.25 day and > 0.1 mag and with mean magnitudes between 9.5 magand 14 mag. We identify 42 variable stars with …
Statistical Analysis Of Stellar Evolution, David A. Van Dyk, Ted Von Hippel, Steven Degenarro, Nathan Stein, William Jefferys
Statistical Analysis Of Stellar Evolution, David A. Van Dyk, Ted Von Hippel, Steven Degenarro, Nathan Stein, William Jefferys
Publications
Color-Magnitude Diagrams (CMDs) are plots that compare the magnitudes (luminosities) of stars in different wavelengths of light (colors). High nonlinear correlations among the mass, color, and surface temperature of newly formed stars induce a long narrow curved point cloud in a CMD known as the main sequence. Aging stars form new CMD groups of red giants and white dwarfs. The physical processes that govern this evolution can be described with mathematical models and explored using complex computer models. These calculations are designed to predict the plotted magnitudes as a function of parameters of scientific interest, such as stellar age, mass, …
Book Review: Humans In Outer Space-Interdisciplinary Odysseys, Studies In Space Policy, 1, T. D. Oswalt
Book Review: Humans In Outer Space-Interdisciplinary Odysseys, Studies In Space Policy, 1, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Humans in Outer Space-Interdisciplinary Odysseys, Studies in Space Policy, 1. [ed.] by Luca Codignola and Kai-Uwe Schrogl with Agnieszka Lukaszczyk and Nicolas Peter SpringerWeinNewYork, 2009
Book Review: Escaping The Bonds Of Earth: The Fifties And The Sixties, T. D. Oswalt
Book Review: Escaping The Bonds Of Earth: The Fifties And The Sixties, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of by Ben Evans. Springer/Praxis, 2009 493p, 9780387790930 $39.95
Book Review: Guide To Observing Deep-Sky Objects: A Complete Global Resource For Astronomers, T. D. Oswalt
Book Review: Guide To Observing Deep-Sky Objects: A Complete Global Resource For Astronomers, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Guide to Observing Deep-Sky Objects : a Complete Global Resource for Astronomers by Jeff A. Farinacci. Springer, 2007 189p, 9780387728506 $29.95
Book Review: The Road To Galaxy Formation 2nd Ed, T. D. Oswalt
Book Review: The Road To Galaxy Formation 2nd Ed, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The road to galaxy formation 2nd ed by William C. Keel. Springer/Praxis, 2007 262p, 9783540725343 $99.00.
Book Review: The Telescope: Its History, Technology, And Future, T. D. Oswalt
Book Review: The Telescope: Its History, Technology, And Future, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The Telescope : Its History, Technology, and Future by Geoff Andersen. Princeton, 2007 248p, 0691129797 $29.95, 9780691129792 $29.95.
Book Review: Your Cosmic Context: An Introduction To Modern Cosmology, T. D. Oswalt
Book Review: Your Cosmic Context: An Introduction To Modern Cosmology, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Your Cosmic Context : an Introduction to Modern Cosmology by Todd Duncan and Craig Tyler Pearson Addison-Wesley, 2008 466p, 0132400103 $80.00, 9780132400107 $80.00.
1139-3159_Nir_Spex, Dagny L. Looper
Book Review: Moore On Mercury: The Planet And The Missions, T. D. Oswalt
Book Review: Moore On Mercury: The Planet And The Missions, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Moore on Mercury : the Planet and the Missions by Patrick Moore. Springer, 2006 139p, 1846282578 $29.95, 9781846282577 $29.95
Maya Eclipses: Modern Data, The Triple Tritos And The Double Tzolkin, William Earl Beck
Maya Eclipses: Modern Data, The Triple Tritos And The Double Tzolkin, William Earl Beck
Electronic Theses and Dissertations
The Eclipse Table, on pages 51-58, of the Dresden Codex has long fascinated Maya scholars. Researchers use the mean-value method of 173.3 days to determine nodal passage that is the place where eclipses can occur. These studies rely on Oppolzer's Eclipse Canon and Schram's Moon Phase Tables to verify eclipse occurrences. The newer canons of Jean Meeus and Bao-Lin Liu use decimal accuracy. What would be the effect of modern astronomical data on the previous studies and the Maya Eclipse Table? The study utilizes a general view of eclipses that includes eclipses not visible to the Maya. Lunar eclipses are …
1021-0304_Mir_Irs, Michael C. Cushing
Book Review: Evolution Of Stars And Stellar Populations, T. D. Oswalt
Book Review: Evolution Of Stars And Stellar Populations, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Evolution of Stars and Stellar Populations by Maurizio Salaris and Santi Cassisi Wiley, 2005 374p, 047009219X $150.00, 047009219X $60.00
An Astronomical Account: A History Of Hatter Planetarium From 1966-2006, Jonathan D. Neu
An Astronomical Account: A History Of Hatter Planetarium From 1966-2006, Jonathan D. Neu
Hidden in Plain Sight Projects
When most individuals stare up at the vast dome of Hatter Planetarium, they often gaze upon the projected stars appearing on its surface, listening to an astronomical story told by one of its operators. However, there is a second story told by the planetarium itself. This story is the history of Hatter Planetarium, which spans five decades and includes the events in the lives of several individuals who have played a critical role in its existence at Gettysburg College. Its history has encompassed several phases of Gettysburg College traditions but is in danger of passing permanently and fixedly into the …
Stargazing: Observatories At Gettysburg College, 1874-Present, Andrew A. Carlson
Stargazing: Observatories At Gettysburg College, 1874-Present, Andrew A. Carlson
Hidden in Plain Sight Projects
Astronomy has long been a subject which has attracted the interest of man. Examples of early astronomers can be found in many ancient civilizations, including but not limited to, the Egyptians, the Chinese and the Greeks. As time passed the methods for interpreting the stars and theories that surrounded them changed concordant with the technology available. One of the largest breakthroughs in the world of astronomy was the invention of the telescope in the early seventeenth century. Often mis-attributed to Galileo (who was responsible for building the first reflecting telescope in 1688), the telescope was actually first designed by a …
Book Review: The Amateur Astronomer's Introduction To The Celestial Sphere, T. D. Oswalt
Book Review: The Amateur Astronomer's Introduction To The Celestial Sphere, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The Amateur Astronomer's Introduction to the Celestial Sphere by William Millar. Cambridge, 2006 299p, 052167123X $40.00, 9780521671231 $40.00.
Book Review: Stargazer: The Life And Times Of The Telescope, T. D. Oswalt
Book Review: Stargazer: The Life And Times Of The Telescope, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Stargazer : the Life and Times of the Telescope by Fred Watson. Da Capo, 2004 342p, 0306814323 $24.95
Book Review: The Scientific Legacy Of Fred Hoyle, T. D. Oswalt
Book Review: The Scientific Legacy Of Fred Hoyle, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The Scientific Legacy of Fred Hoyle ed. by Douglas Gough Cambridge, 2004 249p, 0521824486 $75.00.
A Look At The Astrolabe, Emily Storrar
A Look At The Astrolabe, Emily Storrar
Honors Capstones
Capstone submitted as a graduation requirement for the BSU Honors program.
Book Review: The New Amateur Astronomer, T. D. Oswalt
Book Review: The New Amateur Astronomer, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The New Amateur Astronomer by Martin Mobberley. Springer, 2004 229p, 1852336633 $34.95
Book Review: Sky Vistas: Astronomy For Binoculars And Richestfield Telescopes, T. D. Oswalt
Book Review: Sky Vistas: Astronomy For Binoculars And Richestfield Telescopes, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of Sky Vistas : Astronomy for Binoculars and Richestfield Telescopes by Craig Crossen and Gerald Rhemann Springer, 2004 279p, 3211008519 $69.95
0610-2152b_Nir_Stis, D. A. Golimowski
Book Review: The Edge Of Infinity: Supermassive Black Holes In The Universe, T. D. Oswalt
Book Review: The Edge Of Infinity: Supermassive Black Holes In The Universe, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The Edge of Infinity : Supermassive Black Holes in the Universe by Fulvio Melia. Cambridge, 2003 148p, 0-521-81405-7 $30.00.
Book Review: The Big Bang: A View From The 21st Century, T. D. Oswalt
Book Review: The Big Bang: A View From The 21st Century, T. D. Oswalt
Publications
This document is Dr. Oswalt’s review of The Big Bang : a View from the 21st Century by David M. Harland. Springer/Praxis, 2003 262p, 1-85233-713-3 $39.95.
0415-0935_Opt_Lris, Adam J. Burgasser