The first hurricane of the season spun up as Hurricane Don took shape in the Atlantic while the chance for a new tropical depression or storm from a Caribbean-bound system remains, according to the ...

An atomic system is said to be bound if its total energy, the sum of the kinetic and potential energy terms, is less than zero. The turning points of the motion of this bound system occur when all of ...

Figure 1: High-angular-resolution image of dense gas and stellar progenitors. Figure 2: Ratio of kinetic to gravitational energy for B5-IRS1 and B5-Cond2 as a function of final stellar mass. Similarly ...