If humans have a life cycle, so do the stars. Not all stars were formed at the same time. Some are just beginning to shine and some are starting to die. Ejnar Hertzsprung and Henry Norris Russell created a diagram helps in understanding the lives of the stars.
Hertzsprung-Russell Diagram Read More »
In astronomy or the study of space, a lot of terms come to mind, whether it is galaxies, the universe or the cosmos come into place when this particular subject is discussed. Speaking of which, the most common term when it comes to space are the galaxies, which is defined as a bound and gravitational
Interacting Galaxies Read More »
The planets of our solar system revolve around the sun, tracing imaginary lines are called orbits. These orbits are not perfectly round but are ellipses. Geometrically, the sun is not at the “center” of the system, but one of the foci of the ellipse. The elliptical plane that contains these orbits is the ecliptic plane.
