For easy browsing, stars are sorted into groups such as the Northern or Southern Sky Stars; Brightest Stars; Nearest Stars; and Giant, Supergiant, and Main Sequence Stars
The Star Lookup allows you to enter any star name in the input field
Examine and compare properties for each star, such as its magnitude, spectral class, temperature, mass, lifetime, and distance from Earth
See the star's position on the Hertzsprung-Russell diagram
Compute the star's current sky position from your location, find out whether it is visible, and learn the times of the star's next rise and set
Perform advanced astronomical calculations using the Stefan-Boltzmann law, Wien's displacement law, blackbody luminosity, and mass-luminosity relationship
