UGC 9391
![](https://cdn.sci.esa.int/documents/34247/35306/1567215668443-heic1611c_625.jpg)
Date: 02 June 2016
Satellite: Hubble Space Telescope
Depicts: UGC 9391
Copyright: NASA, ESA, and L. Frattare (STScI)
Cepheid variable stars in this spiral galaxy, known as UGC 9391, and a Type Ia supernova (not visible in this image) were used by a team of astronomers to calculate the expansion rate of the modern Universe.
Last Update: 1 September 2019