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Sky survey reveals newborn jets in distant galaxies（图）
Sky survey newborn jets distant galaxies
2020/12/11
Astronomers using data from the ongoing VLA Sky Survey have found distant galaxies with supermassive black holes at their cores that have launched powerful, radio-emitting jets of material w...
Cosmic Magnifying Lens Reveals Inner Jets of Black Holes（图）
Cosmic Magnifying Lens Inner Jets Black Holes
2017/9/5
"We have known about the existence of these clumps of material streaming along black hole jets, and that they move close to the speed of light, but not much is known about their internal structure or ...
Black-Hole-Powered Jets Forge Fuel for Star Formation
Black-Hole-Powered Jets Forge Fuel Star Formation
2017/3/13
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a surprising connection between a supermassive black hole and the galaxy where it resides.Powerful radio jets ...
The Prediction,Verification,and Significance of Flank Jets at Mid-Ocean Ridges
Prediction Verification Significance Flank Jets Mid-Ocean Ridges
2015/7/14
One aspect of ocean flow over mid-ocean ridges that has escaped much attention is the capacity of a ridge to convert oscillatory flows into unidirectional flows. Those unidirectional flows take the fo...
Multifidelity Design Optimization of Low-Boom Supersonic Jets
Low-Boom Supersonic Jets Optimization
2015/6/18
The practical use of high-fidelity multidisciplinary optimization techniques in low-boom supersonic business-jet
designs has been limited because of the high computational cost associated with ...
Mechanisms of axis-switching and saddle-back velocity profile in laminar and turbulent rectangular jets
axis-switching saddle-back
2015/1/12
e numerically investigate the underlying physics of two peculiar phenomena, which are axis-switching and saddle-back velocity profile, in both laminar and turbulent rectangular jets using lattice Bolt...
We present an X-ray morphological and spectroscopic study of the pulsar B2224+65 and its apparent jet-like X-ray features based on two epoch Chandra observations. The main X-ray feature, which shows a...
Tevatron Searches for New Physics with Photons and Jets
Fermilab's tevatron the standard model of physics
2014/12/18
The D and CDF experiments have each collected more than 8 fb..1 in Run II of Fermilab's Tevatron, and have many recent search results which use up to 5.2 fb..1. Here I summarize the results of a vari...
A semi-implicit, second-order-accurate numerical model for multiphase underexpanded volcanic jets
semi-implicit second-order-accurate numerical model
2014/12/12
An improved version of the PDAC (Pyroclastic
Dispersal Analysis Code, Esposti Ongaro et al., 2007) numerical model for the simulation of multiphase volcanic
flows is presented and validated fo...
Recent repeated occurrences of Gas bubbles streaming water jets along Achankovil shear zone of south India and their seismotectonic significance
Achankovil shear zone gas bubbles water jets
2014/11/12
Achankovil shear zone is a major tectonic crustal segment of south India.The recently
observed gas bubbles streaming water jets in the ponds along the shearzone and the minor
tremors released betw...
Formation and large-scale confinement of jets emitted by young stars finally elucidated（图）
young stars jets
2014/12/1
An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars—one of the most fascinating mysteries ...
Formation and large-scale confinement of jets emitted by young stars finally elucidated
young stars plane scientists
2014/10/30
An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars—one of the most fascinating mysteries ...
Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae--colorful, glowing clouds of dust and gas. In recent decades,...
Intracluster Medium reheating by relativistic jets
Intracluster Medium reheating by relativistic jets
2011/10/18
Galactic jets are powerful energy sources reheating the intra-cluster medium in galaxy clusters. Their crucial role in the cosmic puzzle, motivated by observations, has been established by a great num...
Powerful relativistic jets in spiral galaxies
galaxies: jets – BL Lacertae objects: general – quasars: general – galaxies: Seyfert – binaries: general
2011/10/9
The discovery of high-energy (E>100 MeV) gamma rays from Narrow-Line Seyfert 1 Galaxies (gamma-NLS1s) has confirmed the presence of powerful relativistic jets in this class of active galactic nuclei (...