Object articles

What is the relationship between the distance of an object and its redshift?

When we look out into the cosmos with powerful telescopes, we are not just seeing objects as they are now, but as they w...

What is created when a star collapses?

The spectacular, final act of a massive star is not merely an ending; it is a violent, energetic rebirth that scatters t...

What stars don't perform nuclear fusion?

The vast majority of objects we observe twinkling in the night sky are powered by nuclear fusion, the colossal engine wh...