Voids Made by Dying Stars Have Been Detected in Our Galaxy’s Interstellar Gas

Voids Made by Dying Stars Have Been Detected in Our Galaxy’s Interstellar Gas

It often feels like when people die, they leave a void behind. In the case of massive stars, that happens to be physically true. A new analysis of the tenuous gas that drifts between the stars in the Milky Way galaxy has revealed the imprint of bubbles that expand into space when a massive star … Read more

New Images Show The Dust in Nearby Galaxies, And You’ve Never Seen Them Like This

New Images Show The Dust in Nearby Galaxies, And You’ve Never Seen Them Like This

When we see pictures of galaxies outside the Milky Way, what we’re usually looking at is primarily the light of their stars. But stars are far from the only ingredient that makes up a galaxy. Think of stars as the chunks of vegetables in the galactic soup. The broth, then, in which they float, is … Read more

The physics of accretion: How the universe pulled itself together

The physics of accretion: How the universe pulled itself together

Gathering dust Every star grows up on its own schedule. The protostar stage is like a star’s volatile teen years. When its accretion disk stabilizes and material stops falling into the core, it becomes a main sequence star. There may still be a debris disk and the planets around might still be figuring out where … Read more