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Astronomy Picture Of the Day (APOD)
![Туманность Пузырь](https://images.astronet.ru/pubd/2003/06/17/0001190944/ngc7635_noao.preview.jpg)
17.06.2003
It's the bubble versus the cloud. NGC 7635, the Bubble Nebula, is being pushed out by the stellar wind of massive central star BD+602522. Next door, though, lives a giant molecular cloud, visible above to the lower right.
![Астрономической картинке дня 8 лет](https://images.astronet.ru/pubd/2003/06/16/0001190937/starcollage_dreamcircle.preview.jpg)
16.06.2003
The first APOD appeared eight years ago today, on 1995 June 16. To date, we estimate that APOD has now served over 100 million space-related images. We again thank our readers and NASA...
![Серебристые облака](https://images.astronet.ru/pubd/2005/06/20/0001206362/noctilucent_pp.preview.jpg)
15.06.2003
Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground. Therefore, at sunset on the ground, sunlight still shines on clouds above.
![Парад планетарных туманностей](https://images.astronet.ru/pubd/2003/06/14/0001190906/pn_block.preview.gif)
14.06.2003
What do the Owl, the Cat's Eye, the Ghost of Jupiter, and Saturn have in common? They're all planetary nebulae of course, glowing gaseous shrouds shed by dying sun-like stars as they run out of nuclear fuel.
![Долгая весна на Нептуне](https://images.astronet.ru/pubd/2003/06/13/0001190904/nep2002_hst1pan_c2.preview.jpg)
13.06.2003
In the 1960s spring came to the southern hemisphere of Neptune, the Solar System's outermost gas giant planet. Of course, since Neptune orbits the Sun once every 165 earth-years, it's still spring for southern Neptune, where each season lasts over four decades.
![Cyg X-1: могла ли черная дыра образоваться в темноте](https://images.astronet.ru/pubd/2003/06/12/0001190897/CygX1_mirabel_labc2.preview.jpg)
12.06.2003
The formation of a black hole from the collapsing core of a massive star is thought to be heralded by a spectacular supernova explosion. Such an extremely energetic collapse is also a leading explanation for the mysterious cosmic gamma-ray bursts.
![Два миллиона галактик](https://images.astronet.ru/pubd/2003/06/11/0001190871/galaxies2_apm.preview.jpg)
11.06.2003
Our universe is filled with galaxies. Galaxies -- huge conglomerations of stars, gas, dust -- and mysterious dark matter are the basic building blocks of the large-scale universe. Although distant galaxies move away from each other...
![Первые звезды крупным планом](https://images.astronet.ru/pubd/2003/06/10/0001190856/firststar_abel.preview.jpg)
10.06.2003
What became of the first stars? No known stars appear to be composed of truly primordial gas -- all of the stars around us have too many heavy elements. Our own Sun is thought to be a third generation star, with many second-generation stars seen in globular clusters.
![Туманность Карандаш - Ударная волна от вспышки Сверхновой](https://images.astronet.ru/pubd/2003/06/09/0001190837/pencil_hst.preview.jpg)
9.06.2003
At 500,000 kilometers per hour, a supernova shockwave plows through interstellar space. This shockwave is known as the Pencil Nebula, or NGC 2736, and is part of the Vela supernova remnant, an expanding shell of a star that exploded about 11,000 years ago.
![Рея, второй по величине спутник Сатурна](https://images.astronet.ru/pubd/2003/06/08/0001190822/rhea2_vg1.preview.jpg)
8.06.2003
Rhea is the second largest moon of Saturn, behind Titan, and the largest without an atmosphere. It is composed mostly of water ice, but has a small rocky core. Rhea's rotation and orbit are locked together (just like Earth's Moon) so that one side always faces Saturn.
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