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You entered: optical
![Остаток вспышки сверхновой Паруса в оптическом диапазоне](https://images.astronet.ru/pubd/2003/08/14/0001192282/vela_roe.preview.gif)
13.07.1997
About 11,000 years ago a star in the constellation of Vela exploded. This bright supernova may have been visible to the first human farmers. Today the Vela supernova remnant marks the position of a relatively close and recent explosion in our Galaxy. A roughly spherical, expanding shock wave is visible in X-rays.
![Остаток вспышки сверхновой в Парусах в видимом свете](https://images.astronet.ru/pubd/2002/08/26/0001179368/vela_roe.preview.gif)
13.06.1996
About 11,000 years ago a star in the constellation of Vela exploded. This bright supernova may have been visible to the first human farmers. Today the Vela supernova remnant marks the position of a relatively close and recent explosion in our Galaxy. A roughly spherical, expanding shock wave is visible in X-rays.
![VLT: новый самый большой телескоп](https://images.astronet.ru/pubd/2003/04/22/0001189263/vlt_eso.preview.gif)
1.09.1996
What is the largest telescope in the world? In the optical, this title was long held by the Hale 200-inch, and is presently held by the Keck telescopes in Hawaii. But an even larger optical telescope is being built.
![Кассиопея A в оптике и в рентгене](https://images.astronet.ru/pubd/2013/01/17/0001277561/CasA_Xray_KC950.preview.jpg)
17.01.2013
The aftermath of a cosmic cataclysm, supernova remnant Cassiopeia A (Cas A) is a comfortable 11,000 light-years away. Light from the Cas A supernova, the death explosion of a massive star, first reached Earth just 330 years ago.
![Новый самый большой оптический телескоп](https://images.astronet.ru/pubd/2013/01/12/0001277129/het_ut_big.preview.jpg)
27.12.1996
Most of our universe is too dim to see. To peer into our cosmos' unknown depths, astronomers must deploy new tools - and the classic new tool is a larger telescope. Pictured above is the new Hobby-Eberly Telescope (HET) which recently declared "first light" in western Texas.
![Кек: самые большие оптические телескопы](https://images.astronet.ru/pubd/2003/08/18/0001192461/keck_pjs.preview.jpg)
27.12.1997
In buildings eight stories tall rest mirrors ten meters across that are slowly allowing humanity to map the universe. Alone, each is the world's largest optical telescope: Keck. Together, the twin Keck telescopes have the resolving power of a single telescope 90-meter in diameter, able to discern sources just milliarcseconds apart.
![Телескоп Кека - самый большой оптический телескоп](https://images.astronet.ru/pubd/2002/10/17/0001180381/keck_pjs.preview.jpg)
15.07.1996
In buildings eight stories tall rest mirrors ten meters across that are slowly allowing humanity to map the universe. Alone, each is the world's largest optical telescope: Keck. Together, the twin Keck telescopes have the resolving power of a single telescope 90-meter in diameter, able to discern sources just milliarcseconds apart.
![Туманность Кошачий Глаз в оптике и рентгеновских лучах](https://images.astronet.ru/pubd/2019/05/02/0001468380/CatsEye_HubblePohl_960.preview.jpg)
1.05.2019
To some it looks like a cat's eye. To others, perhaps like a giant cosmic conch shell. It is actually one of brightest and most highly detailed planetary nebula known, composed of gas expelled in the brief yet glorious phase near the end of life of a Sun-like star.
![Угасание исторической оптической вспышки](https://images.astronet.ru/pubd/2003/06/23/0001191170/ot_groot_big.preview.jpg)
22.04.1997
The largest telescopes in the world have scrambled to point toward this faint, fading object. Why? Because it may well be the first active optical counterpart ever found for a gamma-ray burst, and could hold the clue to the distance scale to this most enigmatic class of astronomical objects.
![Туманность Кошачий Глаз в оптике и рентгеновских лучах](https://images.astronet.ru/pubd/2024/01/07/0001916528/CatsEye_HubblePohl_960.preview.jpg)
7.01.2024
To some it looks like a cat's eye. To others, perhaps like a giant cosmic conch shell. It is actually one of the brightest and most highly detailed planetary nebula known, composed of gas expelled in the brief yet glorious phase near the end of life of a Sun-like star.
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