Quaoar appears to be very similar in size and material.

夸欧尔的大小和构成物质与它非常相似。

Quaoar lies in the Kuiper Belt, a swarm of objects made of ice and rock that orbit the sun beyond Neptune.

Quaoar位于柯依伯带，海王星以外一大群由冰和岩石构成的天体中。

And if so, why not Quaoar and Sedna, and several other worlds, which were smaller than Pluto, but not by much?

而且如果这样的话，为什么夸欧尔、塞德娜及其它星体不是呢？它们比冥王星小些，但没小那多。

Archival research showed Quaoar had been captured on film as long ago as 1982, but was never noticed, Brown said.

在调查档案中发现早在1982年Quaoar就已经被胶片拍摄到过，但是从来没有被注意到，布朗说。