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Astronomy Picture Of the Day (APOD)
![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...
![Луна над Монголией](https://images.astronet.ru/pubd/2003/08/15/0001192348/ubmoon_staiger.preview.jpg)
16.09.1997
Fighting clouds and the glow of city lights, a young Moon shines over the western horizon of Mongolia's capital Ulaan-Baatar. The thin sunlit crescent is 1.5 days old and strongly over exposed in this image taken on March 10.
![Гора Олимп на Марсе - самый большой вулкан](https://images.astronet.ru/pubd/2003/08/15/0001192347/mons2_jpl_big.preview.jpg)
15.09.1997
The largest volcano in the Solar System is on Mars. Olympus Mons rises 24 kilometers high and measures 550 km across. By comparison, Earth's largest volcano, Mauna Loa in Hawaii, rises 9 km high and measures 120 km across.
![MyCn18: туманность Песочные часы](https://images.astronet.ru/pubd/2003/08/15/0001192346/mycn18_hst_big.preview.gif)
14.09.1997
The sands of time are running out for the central star of this hourglass-shaped planetary nebula. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a Sun-like star's life occurs as its outer layers are ejected - its core becoming a cooling, fading white dwarf.
![Как Кеплер открывает законы движения планет](https://images.astronet.ru/pubd/2003/08/15/0001192345/kepler_hist_big.preview.gif)
13.09.1997
Johannes Kepler used simple mathematics to describe how planets move. Kepler was an assistant to the most accurate astronomical observer of the time, Tycho Brahe. Kepler was able to use Brahe's data...
![Центр NGC 6251 светится](https://images.astronet.ru/pubd/2003/08/15/0001192344/hotbh_hst_big.preview.jpg)
12.09.1997
Something is lighting up the center of galaxy NGC 6251. Leading speculation holds that it is a large black hole not shrouded by gas and dust typically found near the center of a galaxy.
![Марс Глобал Сёрвейор: аэродинамическое торможение](https://images.astronet.ru/pubd/2003/08/15/0001192343/aeromgs_jpl.preview.gif)
11.09.1997
Completing a 10 month journey, another spacecraft from Earth arrives at Mars today. The Mars Global Surveyor (MGS) is scheduled to fire its main rocket engine for 22 minutes at 6:17 p.m.
![Комета Хейла-Боппа уходит в дальнее плавание](https://images.astronet.ru/pubd/2003/08/15/0001192342/halebopp_swuis.preview.gif)
10.09.1997
Hale-Bopp, the Comet of the Century, is leaving the inner Solar System. Outbound at about 12 miles per second it is presently nearing the main asteroid belt between Mars and Jupiter. This false-color image represents a recent view from low Earth orbit showing the comet surrounded by its shrinking coma against a background of stars.
![Зеленый луч Солнца](https://images.astronet.ru/pubd/2003/08/15/0001192341/greenflash_jc_big.preview.jpg)
9.09.1997
Many think it is just a myth. Others think it is true but its cause isn't known. Adventurers pride themselves on having seen it. It's a green flash from the Sun. The truth is the green flash does exist and its cause is well understood.
![Карта астероида Веста](https://images.astronet.ru/pubd/2003/08/15/0001192340/vesta1_hst_big.preview.jpg)
8.09.1997
Vesta is a huge rock 500 kilometers across that orbits out past Mars. Last week, the above map of Vesta created using the Hubble Space Telescope was released showing a rugged surface highlighted by a single crater spanning nearly the entire length of the asteroid.
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