Новости из категории: astronet

NGC 7293: The Helix Nebula

Чт, Октябрь 04, 2012 - 7:30

A mere seven hundred light years from Earth, in the constellation Aquarius, a sun-like star is dying. Its last few thousand years have produced the Helix Nebula (NGC 7293), a well studied and nearby example of a Planetary Nebula, typical..

Goat Aurora Over Greenland

Ср, Октябрь 03, 2012 - 7:30

Sometimes it's hard to believe what you see in the sky. During the Shelios Expedition to Greenland in late August, even veteran sky enthusiasts saw auroras so colorful, so fast changing, and so unusual in form that they could remember..

An Ancient Stream Bank on Mars

Вт, Октябрь 02, 2012 - 8:30

Fresh evidence of an ancient stream has been found on Mars. The robotic rover Curiosity has run across unusual surface features that carry a strong resemblance to stream banks on Earth. Visible in the above image, for example, is a..

Introducing Comet ISON

Пн, Октябрь 01, 2012 - 8:30

Could this dim spot brighten into one of the brightest comets ever? It's possible. Alternatively, the comet could break up when it gets closer to the Sun, or brighten much more modestly.

A Galaxy Collision in NGC 6745

Вс, Сентябрь 30, 2012 - 8:30

Galaxies don't normally look like this. NGC 6745 actually shows the results of two galaxies that have been colliding for only hundreds of millions of years. Just off the above digitally sharpened photograph to the lower right is..

Астрономическая неделя с 1 по 7 октября 2012 года

Сб, Сентябрь 29, 2012 - 22:36

На данной неделе Венера проходит южнее Регула, произойдет покрытие Луной звезды омега1 Тельца (5,5m), Юпитер достигнет стояния (переход к..

NGC 7023: The Iris Nebula

Сб, Сентябрь 29, 2012 - 7:30

Like delicate cosmic petals, these clouds of interstellar dust and gas have blossomed 1,300 light-years away in the fertile star fields of the constellation Cepheus. Sometimes called the Iris Nebula and dutifully cataloged as NGC 7023 this is..

Stars in a Dusty Sky

Пт, Сентябрь 28, 2012 - 8:30

Bright star Markab anchors this dusty skyscape. At the top right corner of the frame, Markab itself marks a corner of an asterism known as the Great Square, found within the boundaries of the constellation Pegasus, the flying horse.

Stars and Dust Across Corona Australis

Чт, Сентябрь 27, 2012 - 8:30

Cosmic dust clouds sprawl across a rich field of stars in this sweeping telescopic vista near the northern boundary of Corona Australis, the Southern Crown. Probably less than 500 light-years away and effectively blocking...