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. then click on Astro Excelets
Go to…
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

6. Discovering red shift, blue shift…
Math can be optional

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

8. Signal of exoplanet See the wobble

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

10. More info… THANKS for attending today!!! Scott Sinex ssinex@pgcc.edu
includes materials for developing Excelets
THANKS for attending today!!!