| Distance from Earth | ： | About 4 billion light-years |
|---|---|---|
| Detail | ： | A massive cluster of galaxies at 4 billion years ago. Galaxy clusters make ideal laboratories to study galaxy evolution and the nature of dark matter. (Credit: NAOJ/HSC-SSP) This image was taken as part of the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP). More images are available on the HSC-SSP GALLERY page. |
Guidelines for use
