La nebulosa de Orión es la región H II más cercana y brillante del cielo nocturno. El gas confinado en su interior se encuentra fotoinizado, principalmente por la estrella más caliente y luminosa del cúmulo del Trapecio, Theta1 Ori C, dando lugar a un espectro de emisión, que permite, a través del análisis de sus líneas, determinar las condiciones

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Following the observational and theoretical evidence that points at core-collapse supernovae (SNe) as major producers of dust, here we calculate the hydrodynamics of the matter reinserted within young and massive super stellar clusters under the assumption of gas and dust radiative cooling. The large SN rate expected in massive clusters allows for

In a recent book, Dodson (2009) has presented an updated impression of the Amarna period, in heavy contrast to the one lately defended by Krauss (2008) and other authors such as Reeves (2002) or Gabolde (2005), where Dodson uses the recent archaeological and epigraphical sources to offer an state of the art version of this fascinating historical

Context. H II regions in the arms of spiral galaxies are indicators of recent star-forming processes. They may have been caused by the passage of the density wave or simply been created by other means near the arms. The study of these regions may give us clues to clarify the controversy about the existence of a triggering scenario, as proposed in

We present the measurement of the two-point cross-correlation function (CCF) of 8198 Sloan Digital Sky Survey Data Release 7 quasars and 349,608 Data Release 10 CMASS galaxies from the Baryonic Oscillation Spectroscopic Survey at 0.3 z 0.9. The CCF can be reasonably well fit by a power-law model ξQG(r) = (r/r 0)–γ on projected scales of rp = 2-25