The Andromeda galaxy isn't making stars like it used to. A new study using @NASAHubble data shows that star formation in Andromeda has been slowing down over the last 40 million years: go.nasa.gov/4yE0X5z

ALT An image showing countless stars in the Andromeda galaxy, with two small portions labeled "1" and "2" inset on the left side. Squares at the top and bottom of the image, which were not covered in the survey, are displayed in black. Credits: Image: NASA, ESA, Benjamin Williams (UWashington), Zhuo Chen (UWashington), L. Clifton Johnson (Northwestern); Image Processing: Joseph DePasquale (STScI)




