Solid Bare Strange Quark Stars

Abstract

The reason, we need three terms of `strange', `bare', and `solid' before quark stars, is presented concisely though some fundamental issues are not certain. Observations favoring these stars are introduced.

Comments: 4 page and no figure, IAU Symposium No.218, or at http://vega.bac.pku.edu.cn/~rxxu/publications/index_C.htm