El Gordo, or "ACT-CL J0102-4915" as it's officially known, is the largest, most distant galaxy cluster ever discovered. At over seven billion light years away, it's extremely distant, but extremely interesting....
El Gordo, or "ACT-CL J0102-4915" as it's officially known, is the largest, most distant galaxy cluster ever discovered. At over seven billion light years away, it's extremely distant, but extremely interesting....
Comments
Add a comment