Patelis, Antonis, Giorgos Tsalas, Ilias Tsogas, and Nikiforos Moutevelis. “SPACE EXPLORATION: THE NEW FRONTIER”. Open Schools Journal for Open Science 8, no. 2 (December 24, 2025). Accessed May 31, 2026. https://ejournals.epublishing.ekt.gr/index.php/openschoolsjournal/article/view/43792.