It is hereby certified that Athanasios Anagnostou has successfully attended and completed the course: Eur1.1: Journey into the Universe - First stop: Our solar system

which is offered by Mathesis MOOCs, developed in Crete University Press of the Foundation for Research and Technology - Hellas, with the lecturers Mrs Vasiliki Pavlidou and Mr Kostantinos Tassis, Associate Professors at the University of Crete.

The duration of the course was five weeks —13/12/2021 until 24/12/2021 and from 7/1/2022 until 30/1/2022— with an estimated study time of 30 hours needed to complete the course. This course is offered via the platform OpenEdX/gr of Mathesis in compliance with all established technical and educational specifications. The assessment procedure is based on the honour code by which the participants commit to abide. The responsibility for the content of the course and its assessment lies exclusively with the lecturers.