Largest known cosmic structure photographed: 19 Million Light-years across
In June 2025, NASA’s Chandra X-ray Observatory released a breathtaking image. It showed a colossal galaxy cluster called PLCK G287.0+32.9. This object lies about 4.2... The post Largest known cosmic structure photographed: 19 Million Light-years across appeared first on DIY Photography.

In June 2025, NASA’s Chandra X-ray Observatory released a breathtaking image. It showed a colossal galaxy cluster called PLCK G287.0+32.9. This object lies about 4.2...
The post Largest known cosmic structure photographed: 19 Million Light-years across appeared first on DIY Photography.