stellar observation articles

How do astronomers determine the size of a planet using the transit technique?

When astronomers want to figure out just how big an alien world is, especially one orbiting a distant star, they often t...

What do stellar cycles mean?

The progression of a star through its lifespan, often referred to as its stellar cycle or evolutionary path, describes t...

What is the stellar period?

The duration of a star’s life, often referred to as its **stellar period**, is one of the most fascinating timescales in...

What elements are present in a stellar nebula?

Vast clouds of gas and dust permeate the cosmos, serving as the starting blocks for everything that follows. These cosmi...