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Keywords: neutron star, black hole, x-ray binary
![Мощный пульсар 3C58](https://images.astronet.ru/pubd/2004/12/24/0001201572/3c58_chandracomp_c82.preview.jpg)
22.12.2004
Light from a star that exploded some ten thousand light-years away first reached our fair planet in the year 1181. Now known as supernova remnant 3C58, the region seen in this false-color image glows in x-rays, powered by a rapidly spinning neutron star or pulsar - the dense remains of the collapsed stellar core.
![IC 443: остаток сверхновой и нейтронная звезда](https://images.astronet.ru/pubd/2006/06/02/0001214332/ic443_comp_f85.preview.jpg)
2.06.2006
IC 443 is typical of the aftermath of a stellar explosion, the ultimate fate of massive stars. Seen in this false-color composite image, the supernova remnant is still glowing across the spectrum, from radio...
![О происхождении золота](https://images.astronet.ru/pubd/2005/05/15/0001205803/nscollide_ukff.preview.png)
15.05.2005
Where did the gold in your jewelry originate? No one is completely sure. The relative average abundance in our Solar System appears higher than can be made in the early universe, in stars, and even in typical supernova explosions.
![RXJ1856.5-3754: возможно, звезда из кварков](https://images.astronet.ru/pubd/2002/04/15/0001175973/neutronnebula_eso.preview.jpg)
14.04.2002
Why is RJX J185635-375 so cool and so dim? Previously, this compact star held claim to being the closest neutron star -- only 150 light-years away. Now new observations and analysis indicate not only a cool temperature for RXJ J185635-375, pictured above, but also a larger distance: roughly 450 light-years away.
![Как движется черная дыра](https://images.astronet.ru/pubd/2004/10/09/0001199933/xtej1118path.preview.jpg)
21.09.2001
Black hole candidate XTE J1118+480 is known to roam the halo of our Milky Way Galaxy. This exotic system - thought to be a stellar mass black hole consuming matter from a companion star - was discovered only last year as a flaring celestial x-ray source.
![Черные дыры и адвекционные диски](https://images.astronet.ru/pubd/2003/06/20/0001191022/xraybin_heasarc.preview.gif)
14.01.1997
What does a black hole look like? If alone, a black hole would indeed appear quite black, but many black hole candidates are part of binary star systems. So how does a black hole binary system look different from a neutron star binary system? The above drawings indicate it is difficult to tell!
![Совсем близко к черной дыре](https://images.astronet.ru/pubd/2002/08/22/0001179108/bh_rjn.preview.gif)
26.11.1995
What would you see if you went right up to a black hole? Above are two computer generated pictures highlighting how strange things would look. On the left is a normal star field containing the constellation Orion. Notice the three stars of nearly equal brightness that make up Orion's Belt.
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