1.   A heavy metal ring provides anchorage for the cable.

2.   For surfers interested in certain topics, Web rings provide more content per click than search engines.

3.   It looks like a sun surrounded by rings, and the rings provide additional surface for children to grip.

4.   The rings provide homespun displays of hobbies, obscure and common expertise and general camaraderie.

5.   Though the rare explosion was detected a decade ago, the ring provides new evidence of the processes of stellar demise.