Seth Shostak , a senior astronomer at the SETI Institute in Mountain View , California , also was cautious in calling the particles alive .
加利福尼亚州搜寻地外文明学会(SETIInstitute)的资深天文学家塞思·肖斯塔克也表现得非常谨慎,并不急于将这些粒子称为生命。