Element articles

Why is hydrogen so important to the universe?

The initial appearance of hydrogen, the simplest of all elements, sets the stage for everything that has ever been obser...

What element is being fused in the core of a star?

The question of what element is undergoing fusion at the heart of a star is not static; it depends entirely on the star’...

What elements are found in a nebula?

A nebula presents itself to us as a vast, luminous cloud floating in the interstellar medium—a cosmic fog, if we take it...

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...

What elements are being fused in a nebula?

The gigantic, glowing clouds of gas and dust scattered across the cosmos are often viewed as the origin point for everyt...