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When certain massive stars use up all of their fuel and collapse onto their cores, explosions 10 to 100 times brighter than the average supernova occur. Exactly how this happens is not well understood...
Global-scale wreath-building dynamos in stellar convection zones
convection interiors magnetic fields stars rotation
2010/11/10
When stars like our Sun are young they rotate rapidly and are very magnetically active. We explore dynamo action in rapidly rotating suns with the 3-D MHD anelastic spherical harmonic (ASH) code. The ...
Active Disk Building in a local HI-Massive LIRG: The Synergy between Gas, Dust, and Star Formation
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/7
HIZOA J0836-43 is the most HI-massive (M_HI = 7.5x10^10 Msun) galaxy detected in the HIPASS volume and lies optically hidden behind the Milky Way. Markedly different from other extreme HI disks in the...