A subset of microquasars exhibits high peculiar velocity with respect to the local standard of rest due to the kicks they receive when being born in supernovae. The interaction between the radio plasma released by microquasar jets from such high-velocity binaries with the interstellar medium must lead to the production of trails and bow shocks

In the last decade a significant amount of observational effort has been made to determine the physical parameters of low mass stars (M 1 Msol). The most recent observations appear to show a discrepancy between the mass-radius relation predicted by the models and that obtained from the observational data. This discrepancy appear to be explained by

For the first time, we investigate the X-ray/infrared (IR) correlation for star-forming galaxies (SFGs) at z˜ 1, using SPIRE submm data from the recently launched Herschel Space Observatory and deep X-ray data from the 2-Ms Chandra Deep Field-North survey. We examine the X-ray/IR correlation in the soft X-ray (SX; 0.5-2 keV) and hard X-ray (HX; 2

The granulation pattern that we observe on the surface of the Sun is due to hot plasma rising to the photosphere where it cools down and descends back into the interior at the edges of granules. This is the visible manifestation of convection taking place in the outer part of the solar convection zone. Because red giants have deeper convection

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