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Astronomy Picture Of the Day (APOD)
![NGC 6826: Мигающий Глаз](http://images.astronet.ru/pubd/2001/05/26/0001168383/ngc6826_hst.preview.jpg)
26.05.2001
The colorful planetary nebula phase of a sun-like star's life is brief. Almost in the "blink of an eye" - cosmically speaking - the star's outer layers are cast off, forming an expanding emission nebula. This nebula lasts perhaps 10 thousand years compared to a 10 billion year stellar life span.
![Сатурн - гигант](http://images.astronet.ru/pubd/2004/02/29/0001196759/as13_nasa.preview.jpg)
25.05.2001
Forty years ago today (May 25, 1961) U.S. president John Kennedy announced the goal of landing Americans on the Moon by the end of the decade. Kennedy's ambitious speech triggered a nearly unprecedented peacetime technological mobilization and one result was the Saturn V moon rocket.
![Рентгеновские звезды в скоплении 47 Тукана](http://images.astronet.ru/pubd/2001/05/31/0001168563/47tuc_xrayopt_c2.preview.jpg)
24.05.2001
A deep optical image (left) of 47 Tucanae shows an ancient globular star cluster so dense and crowded that individual stars can not be distinguished in its closely packed core. An x-ray image of its central regions (inset right) from the Chandra Observatory reveals a wealth of x-ray stars hidden there.
![Странный оранжевый грунт на Луне](http://images.astronet.ru/pubd/2003/08/09/0001192225/lunarsoil_apollo17.preview.jpg)
23.05.2001
How did orange soil appear on the Moon? This mystery began when astronaut Harrison Schmidt noticed the off-color patch near Apollo 17's Taurus-Littrow landing site in 1972. Schmidt and fellow astronaut Eugene Cernan scooped up some of the unusual orange soil for detailed inspection back on Earth.
![Спиральная галактика NGC 1232](http://images.astronet.ru/pubd/2001/05/31/0001168564/ngc1232all_vlt.preview.jpg)
22.05.2001
Galaxies are fascinating not only for what is visible, but for what is invisible. Grand spiral galaxy NGC 1232, captured in detail by one of the new Very Large Telescopes, is a good example.
![Распадается еще одна комета LINEAR](http://images.astronet.ru/pubd/2001/05/24/0001168319/linear3pc_eso.preview.jpg)
21.05.2001
Last year, a different comet LINEAR (C/1999 S4) broke up. This year, a comet first imaged by the Lincoln Near Asteroid Research (LINEAR) telescope in New Mexico on 2001 January 3, is also breaking up.
![Звездное облако в Стрельце](http://images.astronet.ru/pubd/2001/05/22/0001168241/sgr1_hst.preview.jpg)
20.05.2001
Stars come in all different colors. The color of a star indicates its surface temperature, an important property used to assign each star a spectral type. Most stars in the above Sagittarius Star Cloud are orange or red and relatively faint, as our Sun would appear.
![Авария "Аполлона-13"](http://images.astronet.ru/pubd/2010/04/17/0001244630/a13module_damage.preview.jpg)
19.05.2001
In April of 1970, after an oxygen tank exploded and crippled their service module, the Apollo 13 astronauts were forced to abandon plans to make the third human lunar landing. The extent...
![HD 82943: пожиратель планет](http://images.astronet.ru/pubd/2001/05/31/0001168566/hd82943_perez.preview.jpg)
18.05.2001
Stars like HD 82943 are main sequence G dwarf stars with temperatures and compositions similar to the Sun. Also like the Sun, HD 82943 is known to have at least two giant planets, but unlike gas giants in our solar system their orbits are not nearly circular and bring them closer to the parent star.
![Солнечная нейтринная астрономия](http://images.astronet.ru/pubd/2001/05/18/0001168199/neutrinorotmap_weber_c2.preview.jpg)
17.05.2001
Neutrinos are subatomic particles generated by the nuclear reactions which power stars like our Sun. Flying outward from the Sun's core, they easily pass through the Sun (and almost anything else!) unimpeded and should be detectable by earth-based neutrino "telescopes".
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