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You entered: gamma-ray burst
![Фаер-бол гамма-всплеска](https://images.astronet.ru/pubd/2003/08/15/0001192349/grbfades_hst_big.preview.jpg)
17.09.1997
It's still there. The optical counterpart to the instantly famous gamma-ray burst (GRB) that occurred last February 28th has faded - but not completely. The astronomical community had waited patiently for months...
![Откуда произошли химические элементы?](https://images.astronet.ru/pubd/2016/01/25/0001354661/Nucleosynthesis_Cmglee_1080.preview.jpg)
24.01.2016
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen.
![Происхождение химических элементов](https://images.astronet.ru/pubd/2020/08/10/0001685336/Nucleosynthesis2_WikipediaCmglee_1080.preview.jpg)
8.08.2020
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen.
![Гамма-всплеск GRB 990123 и родительская галактика](https://images.astronet.ru/pubd/2008/03/20/0001226908/gal990123_stis_big.preview.gif)
9.02.1999
Do the powerful explosions known as gamma-ray bursts (GRBs) originate in galaxies? This subject took on new light yesterday with the release of a Hubble Space Telescope image of the sky surrounding GRB 990123. This burst was first detected only two weeks ago and cataloged as one of the most powerful GRBs ever.
![Откуда появились химические элементы?](https://images.astronet.ru/pubd/2017/10/24/0001391081/Nucleosynthesis2_WikipediaCmglee_1080.preview.jpg)
23.10.2017
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen.
![Кандидат в гиперновые](https://images.astronet.ru/pubd/2005/10/06/0001208410/hypernova_chu_big.preview.jpg)
20.04.1999
What created these huge explosion remnants? Speculation has been building recently that outbursts even more powerful than well-known supernovae might occur. Dubbed hypernovae, these explosions might result from high-mass stars and liberate perhaps ten times more energy than conventional supernovae.
![Происхождение химических элементов](https://images.astronet.ru/pubd/2023/01/08/0001869615/Nucleosynthesis2_WikipediaCmglee_1080.preview.jpg)
7.01.2023
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen.
![Родительская галактика гамма-всплеска?](https://images.astronet.ru/pubd/2003/06/24/0001191244/grbhost_hst_big.preview.jpg)
25.06.1997
Where do gamma-ray bursts (GRBs) originate? The most powerful explosions in the universe have recently been located with record accuracy. But do GRBs occur in galaxies or out alone in deep space? This picture taken with the Hubble Space Telescope of the field surrounding GRB 970228 might provide a clue.
![Богатые пылью окрестности Эты Киля](https://images.astronet.ru/pubd/2002/10/10/0001180103/etacar_msx.preview.jpg)
10.10.2002
Eta Car is a massive star, but it's not as bright as it used to be. Now only easily visible in binoculars or a small telescope, Eta Carinae has a history of spectacular flaring and fading behavior.
![Богатые пылью окрестности η Киля](https://images.astronet.ru/pubd/2005/10/17/0001208758/etacar_msx.preview.jpg)
15.10.2005
Eta Car is a massive star, but it's not as bright as it used to be. Now only easily visible in binoculars or a small telescope, Eta Carinae has a history of spectacular flaring and fading behavior.
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