Calculation real abundance of gaseous elements of the comet PanSTARRS C 2011 S4
By: Khalaf, Salman Zaydan; Abbas, Khalil Ibrahim; Akeab, Imad Kassar. Iraqi Journal of Physics. Vol. 18, no. 45 (2020), pp.21-31, 11 p.
Subjects: Comets; Physical properties; X-rays