Related topics: stars ยท hubble space telescope

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers at MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, they spotted a tiny dwarf galaxy in its very first, ...

Open cluster ASCC 123 investigated in detail

Using the Galileo National Telescope, astronomers have conducted a high-resolution spectroscopic study of the open cluster ASCC 123 as part of the Stellar Population Astrophysics (SPA) project. Results of the new research, ...

Heron survey fishes out detail in ghostly galaxy outskirts

Astronomers have completed the largest survey to date of the faint outskirts of nearby galaxies, successfully testing a low-cost system for exploring these local stellar systems. R. Michael Rich of the University of California, ...

Cluster

A cluster is a small group or bunch of something.

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