Expansion Velocities of Elementary Gas in Comet Panstarrs Above 30000 Km from Nucleus. Iraqi Journal of Science, [S. l.], v. 61, n. 12, p. 3417–3433, 2020. DOI: 10.24996/ijs.2020.61.12.30. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1989.. Acesso em: 27 jul. 2024.