Young galaxies are flat, but old ones are more blobby
A new survey precisely links the shape of a galaxy to the ages of its stars
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/04/041918_lg_galaxy-shape_feat.jpg?fit=860%2C460&ssl=1)
SHOWING THEIR YEARS Flat spiral galaxies like NGC 1055 (left) have more ordered and younger stars than blobby, spherical galaxies like IC 2006 (right), a new survey shows.
From left to right: ESO; Hubble/ESA and NASA