2 papers
astro-ph.GA2026
The nine rings of the galaxy LEDA 1313424
Pierre Sikivie, Yuxin Zhao
The galaxy LEDA 1313424 has recently been discovered by I. Pasha et al. to have nine rings. The authors of the discovery paper interpret the rings to be the result of the passing o…
astro-ph.HE2026
Axions explain the formation of supermassive black holes at cosmic dawn
Pierre Sikivie, Yuxin Zhao
In a recent paper we pointed out that supermassive black holes, with masses ranging from to form naturally at cosmic dawn if the dark matter is QCD axions…