Summary:
- This article discusses the discovery of a fast-moving galaxy, known as J0139+3328, that has an unusually high surface brightness.
- Surface brightness is a measure of how much light a galaxy emits per unit area, and this galaxy has one of the highest surface brightnesses ever observed.
- The high surface brightness suggests that J0139+3328 is a compact and dense galaxy, which could provide insights into the early universe and the formation of galaxies.