Later this week, Dr. Bharat Ratra, a distinguished professor of physics at Kansas State University, will discuss dark energy and the universe's continued expansion while visiting the University of Arkansas.
Investigating dark energy with Dr. Bharat Ratra
![](https://npr.brightspotcdn.com/dims4/default/df2577c/2147483647/strip/true/crop/1340x756+0+0/resize/880x496!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fa2%2F64%2Fdbfee4ac455bb3f0e2ca0ad494c2%2Fgrove-images-18.png)
Unsplash