Our comprehension of the assembly and evolution of galaxies has witnessed remarkable advancements in recent years. While the Gaia spacecraft has provided unprecedented knowledge of …
The period–luminosity relation (PLR) is an important relationship between the fundamental physical properties of many types of variable stars. Most recognisable is the PLR of …
Messier's catalog of 110 star clusters, nebulae, and galaxies is the most popular list of deep sky gems. The first edition of this stunning reference atlas was hailed as the most …
Cosmic masers have been employed as unique probes of various astronomical objects and environments, ranging from newly born stars and evolved stars, the interstellar medium to …