And I study supermassive, hyperactive, black holes called " blazars" .

我研究的是特大质量、极度活跃的黑洞，叫做“耀变体”。

Here, I'm showing an artist's conception of a blazar.

现在，我正展示的是一个艺术家对于耀变体的设想图。

A blazar is a special class of black hole that is super massive and by that, I mean something that's a billion times the mass of the sun.

耀变体黑洞是一类特殊的黑洞，它的质量是太阳的十亿倍。