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Keywords: H-alpha, pulsar, supernova remnant
![NGC 6992: волокна туманности Вуаль](https://images.astronet.ru/pubd/2009/12/01/0001237158/filaments_iac.preview.jpg)
1.12.2009
Wisps like this are all that remain visible of a Milky Way star. About 7,500 years ago that star exploded in a supernova leaving the Veil Nebula, also known as the Cygnus Loop.
![Расширение остатка сверхновой в Парусах](https://images.astronet.ru/pubd/2006/11/14/0001217805/vela2_dfm.preview.jpg)
3.08.1999
The explosion is over but the consequences continue. About eleven thousand years ago a star in the constellation of Vela exploded, creating a strange point of light briefly visible to humans living near the beginning of recorded history.
![Новые ударные волны СН 1987A](https://images.astronet.ru/pubd/2007/01/29/0001220544/sn1987a_hst1_big.preview.jpg)
17.02.2000
In February of 1987, astronomers witnessed the brightest supernova of modern times - supernova 1987A in the Large Magellanic Cloud. Mysterious rings of material surrounding the expanding stellar debris were soon emitting a visible glow excited by intense light from the explosion.
![Рентгеновские кольца вокруг SN1987A](https://images.astronet.ru/pubd/2006/11/08/0001217423/sn1987a_cxo_hst_big.preview.jpg)
12.05.2000
This false-color image from the Chandra X-ray Observatory reveals a one light-year diameter ring of hot, ten million degree plasma. It is one of the most detailed X-ray images of the expanding blast wave from supernova 1987A (SN1987A).
![RCW 86: остаток исторической сверхновой](https://images.astronet.ru/pubd/2006/09/28/0001216572/rcw86_xmmchandra_c95.preview.jpg)
28.09.2006
In 185 AD, Chinese astronomers recorded the appearance of a new star in the Nanmen asterism - a part of the sky identified with Alpha and Beta Centauri on modern star charts. The new star was visible for months and is thought to be the earliest recorded supernova.
![Остаток сверхновой E0102-72 на радиоволнах и в рентгеновских лучах](https://images.astronet.ru/pubd/2006/11/07/0001217372/e0102multi_chandra_big.preview.jpg)
14.04.2000
Not all stars form a big Q after they explode. The shape of supernova remnant E0102-72, however, is giving astronomers a clue about how tremendous explosions disperse elements and interact with surrounded gas. The above image is a composite of three different photographs in three different types of light.
![Остатка сверхновой N132D в рентгеновском свете](https://images.astronet.ru/pubd/2006/11/13/0001217725/n132d_chandra.preview.jpg)
13.09.1999
Thousands of years after a star explodes, an expanding remnant may still glow brightly. Such is the case with N132D, a supernova remnant located in the neighboring Large Magellanic Cloud galaxy. The expanding shell from this explosion now spans 80 light-years and has swept up about 600 Suns worth of mass.
![Нейтронная звезда в туманности IC443](https://images.astronet.ru/pubd/2000/12/19/0001162149/ic443ns_cxc_big.preview.jpg)
15.12.2000
Using x-ray data from the orbiting Chandra Observatory along with radio data from the Very Large Array, a team of researchers has discovered evidence for a new example of one of the most bizarre objects known to modern astrophysics -- a neutron star.
![Космический взрыв N49](https://images.astronet.ru/pubd/2004/03/09/0001196903/n49_hst_c2.preview.jpg)
4.07.2003
Scattered debris from a cosmic supernova explosion lights up the sky in this gorgeous composited image based on data from the Hubble Space Telescope. Cataloged as N49, these glowing filaments of shocked gas span about 30 light-years in our neighboring galaxy, the Large Magellanic Cloud.
![Химические элементы в остатках звезды](https://images.astronet.ru/pubd/2001/10/30/0001172187/g292_cxo.preview.jpg)
26.10.2001
Massive stars spend their brief lives furiously burning nuclear fuel. Through fusion at extreme temperatures and densities surrounding the stellar core, nuclei of light elements like Hydrogen and Helium are combined to heavier elements like Carbon, Oxygen, etc. in a progression which ends with Iron.
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