Allison-Green, Dominic, Silas Frost, Harry Smith, Joel Chamen, and Nasik Naghman. “A4 1 Could Apollo 11 Make It into Orbit from a Moon-Sized Earth”. Physics Special Topics 25, no. 1 (November 12, 2026). Accessed November 13, 2026. https://journals.le.ac.uk/index.php/pst/article/view/5542.