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New observations of black hole devouring a star reveal rapid disk formation（图）
New observations black hole devouring star rapid disk formation
2020/9/11
When a star passes too close to a supermassive black hole, tidal forces tear it apart, producing a bright flare of radiation as material from the star falls into the black hole. Astronomers study the ...
New Observations on Invariant Subspace Attack
Invariant subspace attack AES-like Lightweight block ciphers
2017/3/28
Invariant subspace attack is a novel cryptanalytic technique which breaks several recently proposed lightweight block ciphers. In this paper, we propose a new method to bound the dimension of some inv...
New observations of ULX supershells, and their implications
ISM bubbles – HII regions – ISM jets and outflows – X-rays binaries – shock waves
2010/11/10
New optical narrowband imaging observations of the fields of several ULXs are presented. Known supershell nebulae are associated with a number of these ULXs, which we detect in emission lines filters ...
NASA will hold news briefings at 11 a.m. and noon EDT Wednesday, Sept. 9, to release and discuss the first images from the newly refurbished Hubble Space Telescope. NASA Television and the agency's W...
New observations on pressure-induced motor disturbances in a small mammal. Undersea Biomed. Res. 4(1):1-8.-Adult and baby mice were subjected to helium pressures up to 120 atm. Pressure-induced change...
New observations of the high-velocity outflows of the proto-planetary nebula hen 3-1475
high-velocity outflows proto-planetary nebula
2009/6/10
New observations of the high-velocity outflows of the proto-planetary nebula hen 3-1475。