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It has recently been argued by Copeland et al. that in eleven dimensions two orbifold planes can collide and bounce in a regular way, even when the bulk metric is perturbed away from Milne spacetime t...
56Ni, Explosive Nucleosynthesis, and SNe Ia Diversity
Explosive Nucleosynthesis SNe Ia Diversity
2011/9/29
The origin of the iron-group elements titanium to zinc in nature is understood to occur under explosive burning conditions in both Type Ia (thermonuclear) and Type II (core collapse) supernovae. In th...
Luminous Blue Variable eruptions and related transients: Diversity of progenitors and outburst properties
Solar and Stellar Astrophysics (astro-ph.SR) Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/7
We present new light curves and spectra for a number of extragalactic optical transients or "SN impostors" related to giant eruptions of LBVs, and we provide a comparative discussion of LBV-like giant...
Uniformity Despite Diversity：PN Expansion Velocities in the Local Group
PN Expansion Velocities Local Group
2009/7/1
Uniformity Despite Diversity：PN Expansion Velocities in the Local Group。
The Dusty Side of NGC 3603：TIMMI 2 Data Reveal a Striking Diversity of Mid-IR Sources
NGC 3603 Mid-IR Sources
2009/6/15
The Dusty Side of NGC 3603：TIMMI 2 Data Reveal a Striking Diversity of Mid-IR Sources。