edX acknowledges the following student accomplishment:

Mohammed Adnène TROJETTE successfully completed, received a passing grade,
and was awarded an edX Verified Certificate of completion in
ANUx ANU-ASTRO1x, Greatest Unsolved Mysteries of the Universe a course of study offered by ANUx, an online learning initiative of Australian National University through edX.

More Information About Mohammed Adnène TROJETTE's Certificate: