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Images from solar observatory peel away layers of a stellar mystery（图）
Images solar observatory peel away layers stellar mystery
2019/11/22
NSF-funded scientists at the New Jersey Institute of Technology have shed new light on one of the central mysteries of solar physics: how energy from the sun is transferred to the star's upper atmosph...
Inhomogeneities in molecular layers of Mira atmospheres
Techniques: interferometric – Techniques: photometric – Stars: AGB and post-AGB – Stars: atmospheres – Stars: fun- damental parameters – Stars: mass-loss
2011/9/28
We obtained K-band spectro-interferometric observations of the Miras R Cnc, X Hya, W Vel, and RW Vel with a spectral resolution of 1500 using the VLTI/AMBER instrument. We obtained concurrent JHKL pho...
Photochemistry in the inner layers of clumpy circumstellar envelopes: formation of water in C-rich objects and of C-bearing molecules in O-rich objects
Galaxy Astrophysics (astro-ph.GA)
2010/12/28
A mechanism based on the penetration of interstellar ultraviolet photons into the inner layers of clumpy circumstellar envelopes around AGB stars is proposed to explain the non-equilibrium chemistry o...
The Optical Spectra of Atomic/ionic Mixing Layers
Optical Spectra Atomic ionic Mixing Layers
2009/6/5
The Optical Spectra of Atomic/ionic Mixing Layers。
DISCRETE APPROXIMATIONS FOR SINGULARLY PERTURBED BOUNDARY VALUE PROBLEMS WITH PARABOLIC LAYERS, II
2007/12/11
In his series of three papers we study
singularly perturbed (SP)
boundary value problems for equations of elliptic
and parabolic type.
For small values of the perturbation parameter
parabolic bou...
DISCRETE APPROXIMATIONS FOR SINGULARLY PERTURBED BOUNDARY VALUE PROBLEMS WITH PARABOLIC LAYERS, III
2007/12/11
In this series of three papers we study
singularly perturbed (SP)
boundary value problems for equations of elliptic
and parabolic type.
For small values of the perturbation parameter
parabolic bo...
DISCRETE APPROXIMATIONS FOR SINGULARLY PERTURBED BOUNDARY VALUE PEOBLEMS WITH PARABOLIC LAYERS, I
2007/12/11
In this series of three papers we study
singularly perturbed (SP)
boundary value problems for equations of elliptic
and parabolic type.
For small values of the perturbation parameter
parabolic bo...
Feb 04, 2007，NASA's powerful Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of a planet orbiting another star.
14 December 2006，The European Space Agency’s Mars Express spacecraft is providing new clues about the red planet’s geological history.