main-sequence articles

Why do larger stars spend less time in main sequence?

The question of stellar longevity is one of the most profound in astronomy, and the answer lies almost entirely in one f...

What occurs in the core of main sequence stars?

The heart of any star residing on the main sequence is a furnace of incomprehensible power, a region where the immense c...

What are the three main measurements?

The concept of the "three main measurements" shifts its meaning depending entirely on the context—whether we are discuss...

What are three main requirements for life on Earth?

The fundamental question of what permits life to exist, not just on Earth but potentially elsewhere, distills down to a ...

Do main sequence stars fuse hydrogen?

The answer to whether main sequence stars fuse hydrogen is an emphatic yes; in fact, this process is the very definition...

How does a nebula form a main sequence star?

The story of a star is one of an epic, slow-motion transformation, beginning in the cold, dark reaches of space within m...