Discoveries by Mark Armstrong (astronomer)
= Discoveries by Mark Armstrong (astronomer)
{wiki=Category:Discoveries_by_Mark_Armstrong_(astronomer)}
As of my last update in October 2021, Mark Armstrong is an astronomer known for his work in astrophysics and related fields. However, I don't have any specific details on a work titled "Discoveries" by him. It's possible that the work is a recent publication or project after my last update.