Remove from the oven and form or separate clusters as desired. (exsloth.com)
But new observations reveal a startling result: it's actually the collision of four separate clusters of galaxies, all slamming into each other at the same time! (discovermagazine.com)
The red called - segment line marks a region where the lack of sharply separated clusters is considered grounds for assignment of «hypervariable» region. (completegenomics.com)