Computer Science – Graphics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.7007r&link_type=abstract
American Astronomical Society, AAS Meeting #211, #70.07; Bulletin of the American Astronomical Society, Vol. 39, p.861
Computer Science
Graphics
Scientific paper
"Stellar Properties” is a computer-based laboratory designed for introductory college-level astronomy courses for non-science major students. This laboratory is a unique and innovative approach which combines three observable properties of stars in order to determine their stellar type. During the lab work students are engaged in a step-by-step discovery process. They employ computer-based simulations to observe stellar parallax, collect photons from the flow of energy coming from the stars, and obtain stellar spectra. Learners use graphs, comparison data tables, and formulas to work their way through the module until the final step - plotting stars on the Hertzsprung-Russell diagram and justifying their locations. Data for each consecutive part of the module can be either provided by an instructor or found through students’ calculations and analytical reasoning. Such design makes the laboratory easily adaptable for learners of various ages and different levels of prior knowledge. The laboratory is an effective way for students to piece together fragments of what they learn about various properties of the stars. Engagement in the reasoning process facilitates the students’ construction of a mental model of the scientific research process, while computer graphics maintain students’ motivation to explore diversity of stellar families.
Ruzhitskaya Lanika
Speck Angela
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