Glosariusz - X

Wszystko
a
b
c
d
e
f
g
h
i
j
l
m
n
o
p
q
r
s
t
v
w
x
z

X-Ray Bright Optically Normal Galaxy
X-Ray Bright Optically Normal Galaxy (XBONG) is a seemingly normal galaxy that does not appear to have an active galactic nucleus, yet displays an anomalous level of excess X-ray emission.[23]