The celestial object described is an open cluster, NGC 7789, possessing an apparent magnitude of 6.7 and located between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas, known by several ...
NASA’s flagship X-ray observatory is starting the calendar with a flourish, unveiling a richly detailed view of a distant ...
Substantial evidence links exaggerated mental stress induced blood pressure reactivity to future hypertension, but the results for heart rate reactivity are less clear. For this reason multivariate ...