cosmic articles

Are nebulae like clouds?

The initial comparison between nebulae and terrestrial clouds is instantly understandable; both appear as vast, amorphou...

What is a cosmic cloud called?

The vast expanse between the stars is not empty, but rather filled with enormous, diffuse structures of gas and dust. Wh...

What happens when cosmic objects collide?

The universe is a dynamic arena where objects of all sizes—from rogue planets to colossal galaxy clusters—are constantly...