University of Heidelberg. “OJ 287: New image from the heart of a mysterious galaxy.” Nanowerk, 30 July 2025, https://www.nanowerk.com/news2/space/newsid=67298.php.
University of Heidelberg. (2025, July 30). OJ 287: New image from the heart of a mysterious galaxy. Nanowerk. https://www.nanowerk.com/news2/space/newsid=67298.php
University of Heidelberg, “OJ 287: New image from the heart of a mysterious galaxy,” Nanowerk, July 30, 2025, https://www.nanowerk.com/news2/space/newsid=67298.php.
