ثقب اسود. صورة جديدة مذهلة لثقب أسود هائل تؤكد اكتشافا فضائيا!

"Astrophysical implications of hypothetical stable TeV-scale black holes"	Forbes "Starts With A Bang" blog
"Is there a black hole minimum mass? ; Zlochower, Yosef; Merritt, David 2007-06-07	189th Meeting of the American Astronomical Society

ما هو مفهوم الثقب الأسود

"Using Gravitational-wave Observations and Quasi-universal Relations to Constrain the Maximum Mass of Neutron Stars".

12

ناسا بالعربي: 2-year orbit around the supermassive black hole at the centre of the Milky Way"
ناسا بالعربي: See in particular equation 27
ما هو مفهوم الثقب الأسود: when a star is as small as the critical circumference, the curvature is strong but not infinite, and space is definitely not wrapped around the star

International Journal of Theoretical Physics	"Intermediate-Mass Black Holes in Early Globular Clusters"
"HST STIS Spectroscopy of the Triple Nucleus of M31: Two Nested Disks in Keplerian Rotation around a Supermassive Black Hole"	Particle emission rates from a black hole: Massless particles from an uncharged, nonrotating hole, Don N

ثقب أسود by حسن محمد الشواف

"Maximal Extension of Schwarzschild Metric".

28

ماذا لو أن مركز مجرتنا لا يحتوي على ثقب أسود كما نظن؟: "Binary Mergers and Growth of Black Holes in Dense Star Clusters"
ماذا لو أن مركز مجرتنا لا يحتوي على ثقب أسود كما نظن؟: Black Holes, Gravitational Radiation and the Universe
ناسا بالعربي: "On A Stationary System With Spherical Symmetry Consisting of Many Gravitating Masses"