Caption An animation showing the Cygnus X-1 system, consisting of a black hole in orbit with a giant star. Recent observations by radio telescopes have found the system is 20 per cent further away ...
来自MSN8 个月
Astronomers discover that a well-known X-ray binary is actually a hidden ultraluminous X ...X-ray binaries are intriguing systems consisting of two celestial bodies: a normal star and a compact ... discovered in the cosmos is the system Cygnus X-3. Since the early 1970s, this binary ...
This proportion of disk-encircled stars dropped to 18% in regions of the star cluster with more X-ray and ultraviolet ... effect in Cygnus OB2 was found within a region around 1.6 light-years ...
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