X-ray Data Reveal Black Holes Galore
http://www.sciencenews.org/view/generic/id/89/title/X-ray_Data_Reveal_Black_Holes_GaloreArticle by Ron Cowen.
Submitted in section: Astronomy: Observatories: X-ray: X-ray Data Reveal Black Holes Galore
Article by Ron Cowen.
Submitted in section: Astronomy: Observatories: X-ray: X-ray Data Reveal Black Holes Galore