Abstract
We constructed a simple demonstration setup to simulate an extrasolar planet and its starrevolving around the system’s centre of mass. Periodic dimming of light from the star bythe transiting planet and the star’s orbital revolution simulate the two major ways ofdeducing the presence of an exoplanet near a distant star. Apart from being a visual aid forthose needing help, the setup also elicited unexpected questions and suggestions fromstudents, who achieved a fairly good level of understanding of the basis for the transit andradial velocity methods.
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