| eesti | ekk-000 |
| röntgenastronoomia | |
| Deutsch | deu-000 | Röntgenastronomie |
| English | eng-000 | X-ray astronomy |
| English | eng-000 | x-ray astronomy |
| Esperanto | epo-000 | iksradiastronomio |
| français | fra-000 | astronomie X |
| français | fra-000 | astronomie des rayons X |
| latviešu | lvs-000 | rentgenastronomija |
| português | por-000 | astronomia de raios-X |
| español | spa-000 | astronomía de rayos X |
| Türkçe | tur-000 | X-ışını astronomisi |