环形世界

加入我们的科学爱好者社区!

00

JR Minkel was a news reporter for 大众科学.

More by JR Minkel
大众科学 Magazine Vol 291 Issue 3This article was originally published with the title “Ringed Up” in 大众科学 Magazine Vol. 291 No. 3 (), p. 36
doi:10.1038/scientificamerican0904-36c
© . All rights reserved.