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Astronomy Picture Of the Day (APOD)
![Северное сияние над городом Серкл (Аляска)](https://images.astronet.ru/pubd/2003/06/19/0001191001/auroracircle_dh_big.preview.jpg)
1.01.1997
Aurora can make spectacular sights. This particular aurora was photographed hovering over the town of Circle, Alaska. Although Aurora might first appear to be moonlit clouds, they only add light to the sky, and hence can not block background stars from view.
![Вращение Ио](https://images.astronet.ru/pubd/2003/04/24/0001189651/iorotate_gal.preview.gif)
31.12.1996
Are any volcanoes on Io currently erupting? To help answer this, scientists instructed the robot spacecraft Galileo to take hourly pictures of this moon of Jupiter prior to its most recent encounter. The most obvious changes in Io are due to the changing amount of sunlight reflected from the moon to the spacecraft.
![Рентгеновская Земля](https://images.astronet.ru/pubd/2003/04/24/0001189650/earthxray_polar_big.preview.gif)
30.12.1996
The Earth glows in many kinds of light, including the energetic X-ray band. Actually, the Earth itself does not glow - only aurora produced high in the Earth's atmosphere. Above is the first picture of the Earth in X-rays, taken in March with the orbiting Polar satellite. Bright X-ray emission is shown in red.
![Глобулы Бока в IC 2944](https://images.astronet.ru/pubd/2003/04/24/0001189652/bokglob_aat.preview.gif)
29.12.1996
The dark spots in the above picture are not photographic defects but an unusual type of interstellar cloud known as a Bok globule. Bok globules, named after astronomer Bart Bok who studied them extensively, are small dark clouds made of gas and dust that are typically condensing to form a
![CG4: разорванная кометарная глобула](https://images.astronet.ru/pubd/2003/04/24/0001189649/cg4_aat.preview.gif)
28.12.1996
The odd looking "creature" to the right of center in the above photo is a gas cloud known as a cometary globule. This globule, however, has ruptured. Cometary globules are typically characterized by dusty heads and elongated tails.
![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.
![Карл Саган 1934-1996](https://images.astronet.ru/pubd/2003/10/08/0001193892/sagan_uc_big.preview.jpg)
26.12.1996
Carl Sagan died last Friday at the age of 62. Sagan was the world's most famous astronomer. Among his many activities as a scientist, he contributed to the discovery that the atmosphere...
![Земной орнамент](https://images.astronet.ru/pubd/2003/04/24/0001189646/earthmos_clem.preview.jpg)
25.12.1996
The Apollo 8 astronauts spent the 1968 Christmas Season in lunar orbit, returning with striking images of the Moon and Earth from space which inspired the world. While in lunar orbit...
![Мирное рождество](https://images.astronet.ru/pubd/2003/04/24/0001189645/mir1_sts79_big.preview.jpg)
24.12.1996
Thinking about spending the Holiday Season in low Earth orbit? Astronaut John Blaha and his cosmonaut colleagues Valeri Korzun and Alexander Kaleri are doing just that onboard the Russian Mir spacestation. You can e-mail them Seasons Greetings.
![Холмы на Ганимеде](https://images.astronet.ru/pubd/2003/04/24/0001189644/gany3d1_gal.preview.jpg)
23.12.1996
This computer generated 3D close-up view of Jupiter's large moon Ganymede was created using image data from NASA's Galileo spacecraft. Simulating stereo vision by combining two recent images recorded from different angles, 3 dimensional information was reconstructed for a section of Ganymede's surface.
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