Essentially it is missing much of its dust and gas -- just as if a supernova had cleaned it out,added Maíz-Apellániz.
Essentially it is missing much of its dust and gas -- just as if a supernova had cleaned it out,added Maíz-Apellániz.
迈斯－阿佩利亚尼斯说：“实质上它缺少了大部分尘埃和气体--就好像是超新星把气体清除出去了。”