Stellar Classification: A Machine Learning Approach

The data consists of 100,000 observations of space taken by the SDSS (Sloan Digital Sky Survey). Every data point is described by 17 feature columns and 1 class column which identifies it to be either a star, galaxy, or quasar [1]. Note: The SDSS data is under the public domain. Please refer to the citation at the end. Celestial sphere: The celestial sphere is an imaginary sphere that has a large radius and is concentric on Earth.