Astronomers watch replay of celestial eruption

In the mid-nineteenth century, one of the most massive stars in our Milky Way galaxy suddenly got much brighter. For ten years, indeed, it was the second-brightest star in the sky.

Astronomers glimpse birth of mega-stars

Using a CSIRO radio telescope, astronomers have caught an enormous cloud of cosmic gas and dust in the process of collapsing in on itself. They hope the discovery could help establish how massive stars form.