Primordial black hole scenario for the gravitational-wave event GW150914. Phys. Rev. Lett. 117, 061101 (2016). Article ADS PubMed Google Scholar Clesse, S. & García-Bellido, J. The clustering of massive primordial black holes as dark matter: measuring their mass distribution with Advanced ...
Calchi Novati and L. Mancini, Gravitational lensing by the supermassive black hole in M31, ApJ 675 (2008) 340 [arXiv:0711.0750].V. Bozza, S. C. Novati, and L. Mancini, "Gravitational lensing by the supermassive black hole in the center of M31," Astrophys. J. 675 (2008) 340, ar...
The object is about 1,000 light-years away. It’s close enough that the two stars nearest to it can be seen without a telescope. “An invisible object with a mass at least four times that of the sun can only be a black hole,” Thomas Rivinius said in a statement. He led the res...
The Weak Gravity Conjecture (WGC) predicts that in quantum gravity there should exist overcharged states, that is states with charge larger than their mass... JG Jeffreys 被引量: 0发表: 0年 Shell selection by the tropical hermit crab Calcinus tibicen (Herbst, 1791) (Anomura, Diogenidae) ...
Imagine crushing the mass of a fleet of battleships into something no bigger than a baseball. That only begins to describe the infinite density locked away into a black hole left over from a stellar explosion. The black hole is typically several times the mass of our Sun. The intense ...
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init.c: a = spin of the black hole (spatial dimensions scale w/ black hole mass, i.e. M_BH = 1); gam = adiabatic index for fluid; rin = radial position of inner edge of torus; rmax = radial position of pressure maximum;
stones, roots and other impurities were eliminated in the soil samples of each size. Then the whole series of sieves were moved up and down for 7 minutes at 30 cycle min−1manually. Finally, the mass of dry sieve aggregates with different particle sizes was measured and weighed asWdi....
The virtual photo of the black hole was calculated "bolometrically", i.e., displaying integrated light on the whole electromagnetic spectrum, from the radio to the gamma wave range. It is independent of the mass of the black hole and the flow of gas swallowed, on the condition that the ...
4.3. Pb Isotope Analysis All analyses were conducted at the University of Tasmania using the Laser Ablation Inductively Couple Plasma Mass Spectrometry (LA-ICP-MS) method. The analyses were performed on an Agilent 4500 ICPMS coupled to a New Wave 213 nm solid state laser in a custom made, ...