Einasto Gravitational Potentials have Difficulty to Hold Spherically Symmetric Stellar Systems with Cores
It was known that an ideal spherically symmetric stellar system with isotropic velocities and an inner core cannot reside in a Navarro, Frenk, and White (NFW)...
Eine Lösung für das Problem des Wärmeaustauschs einer Kugel in gleitender Umströmung
Ultra-hot Jupiters are defined as giant planets with equilibrium temperatures larger than 2000 K. Most of them are found orbiting bright A-F stars, making them...
El círculo meridiano automático de San Fernando - San Juan. Sus primeros pasos en el hemisferio sur
Se informa sobre el estado actual del Círculo Meridiano Automático de San Fernando-San Juan. El instrumento (Grubb-Parson, de 178mm de abertura y 2665 mm de...