What Is An Open Star Cluster? (EXPLAINED!)

Star Cluster

An open star cluster is a group of stars bound together by mutual gravitational attraction. They are usually found in the spiral arms of galaxies or within irregular galaxies and contain anywhere from a few dozen to several thousand stars.  Open star clusters are important because they provide insight into the formation and evolution of … Read more

Why Do Stars Become Red Giants? (Explained!)

Stars are the most abundant objects in the Universe. The stars that become red giants are those that have used up their nuclear fuel and are now burning helium; this process is called “helium flash.” Learn how red giants form and why scientists use this terminology. Discover why our Sun will one day become a … Read more

Neutron Star vs Nova (How Are They Different?)

The main difference between a nova and a neutron star is that a neutron star is the aftermath of a large star that has gone supernova, and is amongst the densest celestial objects in the Universe whilst a nova is an explosion that occurs on a white dwarf’s surface as a result of a nuclear … Read more