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Astronomy Picture Of the Day (APOD)
![Комета Хиякутаке: звезды через хвост](https://images.astronet.ru/pubd/2004/03/22/0001197228/hyakutake_scott_big.preview.jpg)
17.07.1998
Comets are cosmic icebergs. They follow very elongated orbits which carry them from the frozen, remote outer reaches of the Solar System to close encounters with the Sun. Heated by sunlight, they slough off layers of material as gas and dust, forming their characteristic awe-inspiring comas (heads) and tails.
![Три джета](https://images.astronet.ru/pubd/2004/03/25/0001197265/triple_jet_big.preview.gif)
16.07.1998
Recorded on July 7, this animation using X-ray images of the Sun shows an amazing event - three nearly simultaneous jets connected with solar active regions. The two frames were taken several hours apart by the Soft X-ray Telescope on board the orbiting Yohkoh observatory.
![NGC 2915: галактика-призрак](https://images.astronet.ru/pubd/2004/03/25/0001197266/ngc2915_meurer_big.preview.gif)
15.07.1998
How do you find a nearly invisible galaxy? Pictured above is the blue compact dwarf (BCD) galaxy NGC 2915. In visible light, shown above in yellow, this galaxy appears to be a normal dwarf galaxy, as indicated by the yellow smudge in the image center.
![Работа на Марсе](https://images.astronet.ru/pubd/2004/03/25/0001197268/marshill_mpf_big.preview.jpg)
14.07.1998
To learn about the history ofMars, just ask the rocks. Last year, that's exactly what the robot rover Sojourner did. Sojouner can be seen, above, analyzing a rock nicknamed Moe, trying to discern its past.
![Гамма-всплеск 980703: надежное красное смещение](https://images.astronet.ru/pubd/2004/03/25/0001197270/grb980703_keck_big.preview.gif)
13.07.1998
In the old days, just over a year ago, astronomers had little idea of the true distance to gamma-ray bursts. Did these enigmatic explosions occur in our outer Galaxy, or in the outer Universe?
![Лицо астероида Гаспра](https://images.astronet.ru/pubd/2004/03/25/0001197276/gaspra_gal_big.preview.gif)
12.07.1998
Asteroid 951 Gaspra is a huge rock tumbling in space. Gaspra became one of the best-studied asteroids in 1991 when the spacecraft Galileo flew by. In the above photograph, subtle color variations have been exaggerated to highlight changes in reflectivity, surface structure and composition.
![M64: галактика Спящая Красавица](https://images.astronet.ru/pubd/2004/03/25/0001197278/m64_keel.preview.gif)
11.07.1998
The Sleeping Beauty galaxy may appear peaceful at first sight but it is actually tossing and turning. In an unexpected twist, recent observations have shown that the center of this photogenic galaxy is rotating in the opposite direction than the outer regions!
![NGC 1531/2: взаимодействующие галактики](https://images.astronet.ru/pubd/2004/03/25/0001197280/ngc1531_keel_big.preview.gif)
10.07.1998
This dramatic image of an interacting pair of galaxies was made using the 1.5 meter telescope at the Cerro Tololo Inter-American Observatory near La Serena, Chile. NGC 1531 is the background galaxy with a bright core just above center and NGC 1532 is the foreground spiral galaxy laced with dust lanes.
![Комета Хейла-Боппа: комета, доставившая удовольствие многим](https://images.astronet.ru/pubd/2004/03/25/0001197282/hale-bopp_orman.preview.jpg)
9.07.1998
In 1997, the bright comet Hale-Bopp may have become the most viewed comet in history -- visible even to casual skywatchers in light polluted cities around the globe. In this picture, taken by photographer...
![Таинственные Плутон и Харон](https://images.astronet.ru/pubd/2004/03/26/0001197291/plutocharon_lo_sml.preview.gif)
8.07.1998
Pluto is the only planet in our Solar System remaining unphotographed by a passing spacecraft. Distant Pluto and its moon Charon therefore remain somewhat mysterious. In addition to direct imaging by the Hubble Space...
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