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Black holes don’t erase information, scientists say（图）
Black holes don’t erase information scientists say
2015/4/13
Shred a document, and you can piece it back together. Burn a book, and you could theoretically do the same. But send information into a black hole, and it’s lost forever.That’s what some physicists ha...
Probe combination in large galaxy surveys : Application of Fisher information and Shannon entropy to weak lensing
cosmology: cosmological parameters cosmology: large-scale structure of the Universe methods: data analysis methods: statistical
2011/9/27
This paper is aimed at developing a better understanding of the structure of the information that in contained in galaxy surveys, so as to find optimal ways to combine observables from such surveys. W...
The Information Of The Milky Way From 2MASS Whole Sky Star Count: The Structure Parameters
Milky Way Star Count:Structure Parameters
2011/10/12
The Ks band differential star count of the Two Micron All Sky Survey (2MASS) is used to derive the global structure parameters of the smooth components of the Milky Way. To avoid complication introduc...
Enhanced Sensitivity to Dark Matter Self-annihilations in the Sun using Neutrino Spectral Information
Dark Matter, Solar WIMPs, WIMP-nucleon scattering cross section, Neutrino Astronomy
2011/10/10
Self-annihilating dark matter gravitationally captured by the Sun could yield observable neutrino signals at current and next generation neutrino detectors. By exploiting such signals, neutrino detect...
Extracting Information from the Gravitational Redshift of Compact Rotating Objects
Maximal angular velocity—stars neutron—stars rotation.
2010/9/15
Essential macroscopic internal properties of compact objects can be related to each other with the help of General Relativity. A somewhat familiar example is the relationship between the compactness M...
ON THE MAXIMAL QUANTITY OF PROCESSED INFORMATION IN THE PHYSICAL ESCHATOLOGICAL CONTEXT
PROCESSED INFORMATION PHYSICAL ESCHATOLOGICAL CONTEXT MAXIMAL QUANTITY
2009/3/16
An estimate of the maximal computing power available to advanced
extraterrestrial or future (post)human civilizations is presented. It is shown that the
fundamental thermodynamical considerations ma...
The Information Bulletin on Variable Stars was set up at the IAU GA at Berkeley, in 1961, and the first issue was published in the same year, under the editorship of L. Detre. The reports of Commissio...