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Keywords: H-alpha, pulsar, supernova remnant
![G21.5-0.9: космическая оболочка Сверхновой](https://images.astronet.ru/pubd/2005/04/21/0001205315/g21_xray_c100.preview.jpg)
21.04.2005
The picture is lovely, but this pretty cosmic shell was produced by almost unbelievable violence - created when a star with nearly 20 times the mass of the sun blasted away its outer layers in a spectacular supernova explosion.
![SNR 0103-72.6 - поставщик кислорода](https://images.astronet.ru/pubd/2005/08/15/0001207593/snr0103_chandra_c2.preview.jpg)
13.08.2005
A supernova explosion, a massive star's inevitable and spectacular demise, blasts back into space debris enriched in the heavy elements forged in its stellar core. Incorporated into future stars and planets, these are the elements ultimately necessary for life. Seen here in a false-color x-ray image, supernova remnant SNR 0103-72
![Запасы кислорода в SNR 0103-72.6](https://images.astronet.ru/pubd/2003/05/28/0001190560/snr0103_chandra_c2.preview.jpg)
28.05.2003
A supernova explosion, a massive star's inevitable and spectacular demise, blasts back into space debris enriched in the heavy elements forged in its stellar core. Incorporated into future stars and planets, these are the elements ultimately necessary for life.
![Мощный пульсар 3C58](https://images.astronet.ru/pubd/2004/12/24/0001201572/3c58_chandracomp_c82.preview.jpg)
23.12.2004
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...
![Остаток вспышки сверхновой 1006 года в рентгеновских лучах](https://images.astronet.ru/pubd/2005/12/28/0001210641/sn1006_chandra.preview.jpg)
26.12.2005
This huge puff ball was once a star. One thousand years ago, in the year 1006, a new star was recorded in the sky that today we know was really an existing star exploding.
![Кассиопея A: инфракрасное световое эхо](https://images.astronet.ru/pubd/2005/06/15/0001206293/casa_spitzer.preview.jpg)
15.06.2005
Why is the image of Cassiopeia A changing? Two images of the nearby supernova remnant taken a year apart in infrared light appear to show outward motions at tremendous speeds. This was unexpected since the supernova that created the picturesque nebula was seen 325 years ago. The reason is likely light echoes.
![SN 1006: космическая лента — остаток сверхновой](https://images.astronet.ru/pubd/2008/09/15/0001229554/sn1006_hst.preview.jpg)
15.09.2008
What created this unusual space ribbon? Most assuredly, one of the most violent explosions ever witnessed by ancient humans. Back in the year 1006 AD, light reached Earth from a stellar explosion...
![NGC 6960: туманность Ведьмина Метла](https://images.astronet.ru/pubd/2008/08/19/0001229193/ngc6960_block.preview.jpg)
19.08.2008
Ten thousand years ago, before the dawn of recorded human history, a new light must suddenly have appeared in the night sky and faded after a few weeks. Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula.
![Глубокий обзор неба в области созвездия Ориона](https://images.astronet.ru/pubd/2004/01/16/0001196140/OriondeepfieldM_gendler_c1.preview.jpg)
15.01.2004
Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, the glowing Orion Nebula and the dark Horsehead Nebula are contrasting cosmic vistas. They both appear in this stunning composite digital image assembled from over 20 hours of data that includes exposures filtered to record emission from hydrogen atoms.
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