Astronomers take first look inside quasars# Astronomy - 天文
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http://www.earthsky.org/radioshows/astronomers-take-first-look-inside-quasars
JB: Astronomer Xinyu Dai at Ohio State University and his colleagues have
managed a first glimpse inside a quasar.
Xinyu Dai: Quasars are objects that are very far away. Because they are so
far away, when we look at them far away, directly, by imaging, they all look
like little dots.
DB: Quasars are distant, but we see them because they’re bright. The
brightest one shines some two trillion times more powerfully than ou
JB: Astronomer Xinyu Dai at Ohio State University and his colleagues have
managed a first glimpse inside a quasar.
Xinyu Dai: Quasars are objects that are very far away. Because they are so
far away, when we look at them far away, directly, by imaging, they all look
like little dots.
DB: Quasars are distant, but we see them because they’re bright. The
brightest one shines some two trillion times more powerfully than ou