AVILA, R.; SYED, S. R. On the Elliptical Orbit of the Earth and Position of the Sun in the Sky: An Engineering Approach. The Nucleus, [S. l.], v. 61, n. 1, p. 10–15, 2024. Disponível em: http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1330. Acesso em: 15 jun. 2024.