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Astronomy Picture Of the Day (APOD)
![Прощай, Юпитер!](https://images.astronet.ru/pubd/2006/11/11/0001217621/jupitercrescent_cassini.preview.jpg)
8.08.2001
Next stop: Saturn. The Cassini spacecraft, launched from Earth four years ago, has now swung past Jupiter and should arrive at Saturn in the year 2004. Pictured to the left is a parting shot from Cassini in January that would not have been possible from Earth: Jupiter showing a crescent phase.
![Июльский рассвет](https://images.astronet.ru/pubd/2001/10/02/0001170988/julydawn_dc.preview.jpg)
7.08.2001
Those up before dawn in late July in the northern hemisphere could see planets, stars, and a spacecraft in a single quick glance before starting their day. Near the eastern horizon was bright Jupiter, and not far above and to its right was the very bright Venus.
![Орбитальный Космический телескоп Хаббла](https://images.astronet.ru/pubd/2001/10/02/0001170989/hst_sts103.preview.jpg)
6.08.2001
The Hubble Space Telescope (HST) is the largest orbiting public optical telescope in history. Its 2.4 meter diameter reflecting mirror and its perch above Earth's atmosphere allow it to create exceptionally sharp images.
![NGC 2440: кокон нового белого карлика](https://images.astronet.ru/pubd/2001/10/02/0001170990/ngc2440_hst4.preview.jpg)
5.08.2001
Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all!
![Соседняя галактика: Большое Магелланово Облако](https://images.astronet.ru/pubd/2004/10/09/0001199960/lmc_noao.preview.jpg)
4.08.2001
The brightest galaxy visible from our own Milky Way Galaxy is the Large Magellanic Cloud (LMC). Visible predominantly from Earth's Southern Hemisphere, the LMC is the second closest galaxy, neighbor to the Small Magellanic Cloud, and one of eleven known dwarf galaxies that orbit our Milky Way Galaxy.
![Изогнутая спиральная галактика ESO 510-13](https://images.astronet.ru/pubd/2004/10/09/0001199961/eso510_hst.preview.jpg)
3.08.2001
How did spiral galaxy ESO 510-13 get bent out of shape? The disks of many spirals are thin and flat, but not solid. Spiral disks are loose conglomerations of billions of stars and diffuse gas all gravitationally orbiting a galaxy center.
![Горящий древовидный спрайт](https://images.astronet.ru/pubd/2004/10/09/0001199962/burning_tree.preview.jpg)
2.08.2001
This dramatic, garishly colored image was captured with a low-light level camera on 2001 June 7. It shows what appears to be a "burning tree" above the National Cheng Kung University campus in Tainan City, Taiwan ... but the burning tree is actually a fleeting red sprite 300 kilometers away.
![Молодой марсианский ландшафт](https://images.astronet.ru/pubd/2004/10/09/0001199963/marsflow_mgs.preview.jpg)
1.08.2001
What caused the pits, ridges, and gullies on otherwise smooth Martian terrain? One hypothesis is water. The lack of craters at this mid-latitude location indicates that the terrain is quite young by geological standards, perhaps only 100,000 years old.
![Океаны под поверхностью спутника Юпитера Каллисто?](https://images.astronet.ru/pubd/2001/12/04/0001173384/callistocrescent_vg1.preview.jpg)
31.07.2001
Why does Jupiter's moon Callisto alter the magnetic field of Jupiter in its vicinity? Callisto itself does not have a strong magnetic field. One possible answer is that Callisto harbors sub-surface oceans of electrically conducting salt-water. This hypothesis was bolstered recently by a new analysis of how Callisto creates and dissipates heat.
![Звездное скопление R136](https://images.astronet.ru/pubd/2001/08/31/0001170568/30Doradus_hst.preview.jpg)
30.07.2001
In the center of star-forming region 30 Doradus lies a huge cluster of the largest, hottest, most massive stars known. Known as R136, the cluster's energetic stars are breaking out of the cocoon of gas and dust from which they formed.
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