This applet demonstrates how astronomers measure the properties of extra-solar planets by detecting planetary transits and eclipses. The applet shows a planet in orbit around a star. A graph plots the total brightness of the star as the planet orbits around it. The user can control the star's radius, the star's temperature, the planet's radius, the orbital radius and the albedo. The user can also see how the spectrum of the illuminated side of the planet, due to both the reflected starlight and the emitted planetary radiation, dependes on wavelength, albedo, and the parameters of the system.
This is part of a larger collection of applets by STEM Colorado focused mostly on topics in astronomy.
Please note that this resource requires
at least version 1.4.2_06 of
Java.
<a href="http://www.compadre.org/astronomy/items/detail.cfm?ID=7939">McCray, Richard, and Andrew Koelemay. STEM Colorado: Planetary Transits. August 29, 2008.</a>
R. McCray and A. Koelemay, STEM Colorado: Planetary Transits (2004), WWW Document, (http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp).
R. McCray and A. Koelemay, STEM Colorado: Planetary Transits (2004), <http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp>.
McCray, R., & Koelemay, A. (2008, August 29). STEM Colorado: Planetary Transits. Retrieved May 24, 2013, from http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp
McCray, Richard, and Andrew Koelemay. STEM Colorado: Planetary Transits. August 29, 2008. http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp (accessed 24 May 2013).
McCray, Richard, and Andrew Koelemay. STEM Colorado: Planetary Transits. 2004. 29 Aug. 2008. 24 May 2013 <http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp>.
%0 Electronic Source %A McCray, Richard %A Koelemay, Andrew %D August 29, 2008 %T STEM Colorado: Planetary Transits %V 2013 %N 24 May 2013 %8 August 29, 2008 %9 application/java %U http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/planetarytransits2/planetarytransits2.jnlp
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