UW News
Sarah Ballard
April 25, 2013
Astronomer studies far-off worlds through ‘characterization by proxy’
![A dwarf galaxy.](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2013/04/04195707/dwarfgalaxy-tile-150x150.jpg)
A UW astronomer is using Earth’s interstellar neighbors to learn the nature of certain stars too far away to be directly measured or observed, and the planets they may host.