Context. Red super-giant (RSG) stars exhibit significant mass loss through a slow and dense wind. They are often considered to be the more massive counter-parts of Asymptotic Giant Branch (AGB) stars. While the AGB mass-loss is linked to their strong pulsations, the RSG are often only weakly variable. This raises the question whether their wind-driving mechanism and the dust composition in the ...

The Indian Antarctic station, Maitri is often experiencing continuous blizzard over a week with strong surface winds and temperature anomalies due to atmospheric blocking during winter spring seasons of Antarctica. One such case the last August 2000 another in mid-July 1996 are studied. There more activity months. influence high on weather parameters study period also presented.

NASA’s Juno spacecraft will make microwave and gravity measurements of Jupiter. These can reveal information about the composition of Jupiter’s atmosphere and about the temperature and density structure below the visible clouds, which is in balance with the structure of the zonal winds. Here we show that there exist strong physical constraints on the structure of the off-equatorial deep zonal w...