ولادة نجمين ثنائيين

1- European Southern Observatory. A Cosmic Pretzel. [Image on internet]. 4 October 2019 [Cited 3 September 2020]. Available from: هنا

2- Alma Observatory. A Cosmic Pretzel. [Image on internet]. 4 October 2019 [Cited 3 September 2020]. Available from: هنا

3- Max Planck Society. Astronomers observe how two suns collect matter in a binary system. [Image on Internet]. 4 October 2019 [Cited 3 September 2020]. Available from: هنا