Other indications of mega-mergers come from relatively nearby quasars .

其他的百万级合并的标志来自于相对近一些的类星体。

Gravitational radiation from quasars with two supermassive black holes .

含两巨黑洞的类星体的引力辐射。

The physics of broad absorption line quasars .

宽吸收线类星体物理研究。

But in the end , they turned out to be quasars .

但是最后确定这些疑似物其实是只是类星体而已。

Moreover , sdss should find 10 to 20 more quasars at similar distances in the next several years .

另外，未来几年sdss将在相近的距离内找到10到20个或更多的类星体。