一组研究费米伽马射线太空望远镜观测数据的科学家在星期二表示,他们发现了两个从银河系中心喷射出的巨型能量泡。
A group of scientists working with data from NASA 's Fermi Gamma-Ray Space Telescope said Tuesday that they had discovered two bubbles of energy erupting from the center of the Milky Way galaxy .