Supported by the following organizations
This is to certify that Giancarlo Alejandro Loayza Chávez successfully completed and received a passing grade in SOC1.longx: PredictionX: Lost Without Longitude a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Alyssa Goodman
Robert Wheeler Willson Professor of Applied Astronomy Harvard University
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- Verified Certificate Issued December 9, 2025
- Valid Certificate ID 09c65c79b66c45f4b522c89b7c54a144