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Spectra, Doppler Shifts, and Exoplanets: A Novel Approach via Interactive Animated Spreadsheets

Spectra, Doppler Shifts, and Exoplanets: A Novel Approach via Interactive Animated Spreadsheets. Scott A. Sinex Dept. of Physical Sciences & Engineering Prince George’s Community College. Presented at Astronomical Society of the Pacific Meeting in Baltimore, MD on 1-3 August 2011.

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Spectra, Doppler Shifts, and Exoplanets: A Novel Approach via Interactive Animated Spreadsheets

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  1. Spectra, Doppler Shifts, and Exoplanets: A Novel Approach via Interactive Animated Spreadsheets Scott A. Sinex Dept. of Physical Sciences & Engineering Prince George’s Community College Presented at Astronomical Society of the Pacific Meeting in Baltimore, MD on 1-3 August 2011

  2. Using spreadsheets… • discover concepts in spectroscopy • deal with data and its graphical interpretation • use to mathematically model and camouflage mathematics • add more science process skills • generate an interactive learning environment using an off-the-shelf piece of software

  3. Go to… http://academic.pgcc.edu/~ssinex/excelets then click on Astro Excelets or Just Google or Bing excelets Just remember one word

  4. Discussed in this presentation More on the page

  5. Generating the spectral lines http://academic.pgcc.edu/~ssinex/excelets/spectra.xls

  6. Discovering red shift, blue shift… Math can be optional http://academic.pgcc.edu/~ssinex/excelets/spectra_2.xls

  7. Discovering Hubble’s Law Need some discussion of mathematical modeling

  8. Signal of exoplanet See the wobble http://academic.pgcc.edu/~ssinex/excelets/spectra_3.xls

  9. What would an alien astronomer find? How many planets would they discover? How long would they need to observe?

  10. More info… Scott Sinex • ssinex@pgcc.edu • http://academic.pgcc.edu/~ssinex/excelets • includes materials for developing Excelets THANKS for attending today!!!

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