[citation needed] In addition to his academic work, he writes about issues related to science, education, the Arab world, and Islam.

in various astrophysical environments, especially in accretion disks around compact objects such as black holes and neutron stars, where this is accompanied by gamma-ray line emission.

[4] After his Ph.D., he spent two years as a post-doctoral researcher at NASA's Goddard Space Flight Center under the supervision of Reuven Ramaty, now famous for the astrophysical satellite RRHESSI named after him.

For several years he was a regular collaborator for INTEGRAL (International Gamma-Ray Astrophysics Laboratory) at the Center for Space Radiation Studies in Toulouse, France.

"[citation needed] As a critic of Harun Yahya, he has maintained that rejection of established scientific fact is "counter-productive and does not bode well for Muslims, whether with regard to science or modernity, more generally.

In particular, he co-authored a book on the crescent-based Islamic calendar (in two editions), insisting on taking modern astronomical knowledge and methodology fully on board when addressing the problem.