This certificate verifies that Sayan Datta successfully completed and received a passing grade in ASTR105x: Alien Worlds: The Science of Exoplanet Discovery and Characterization, an online course offered through BUx, Boston University's online learning initiative on edX. The certificate was issued on January 9th, 2015 and can be verified online at the provided URL.

1. Assistant Professor, Department of Astronomy
Boston University
Andrew A. West
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CERTIFICATE
HONOR CODE
Sayan Datta
successfully completed and received a passing grade in
ASTR105x: Alien Worlds: The Science of Exoplanet
Discovery and Characterization
a course of study offered by BUx, an online learning
initiative of Boston University through edX.
Issued January 9th, 2015 https://verify.edx.org/cert/b84765094d8a4b6594f63cd202a15500