Новости из категории: astronet

The Observable Universe

Вт, Май 08, 2018 - 8:30

How far can you see? Everything you can see, and everything you could possibly see, right now, assuming your eyes could detect all types of radiations around you -- is the observable universe. In visible...

The Unusual Boulder at Tychos Peak

Пн, Май 07, 2018 - 8:30

Why is there a large boulder near the center of Tycho's peak? Tycho crater on the Moon is one of the easiest features to see, visible even to the unaided eye (inset, lower right). But at the center of Tycho (inset, upper left) is a..

Метеоры, самолеты и Галактика над Брайс-каньоном

Вс, Май 06, 2018 - 7:30

Иногда виды земли и неба бывают особенно прекрасными. На переднем плане этого пейзажа запечатлен Брайс-каньон в американском..

Meteors, Planes, and a Galaxy over Bryce Canyon

Вс, Май 06, 2018 - 7:30

Sometimes land and sky are both busy and beautiful. The landscape pictured in the foreground encompasses Bryce Canyon in Utah, USA, famous for its many interesting rock structures eroded over millions of years.

Stickney Crater

Сб, Май 05, 2018 - 8:30

Stickney Crater, the largest crater on the martian moon Phobos, is named for Chloe Angeline Stickney Hall, mathematician and wife of astronomer Asaph Hall. Asaph Hall discovered both the Red Planet's moons in 1877.

Астрономическая неделя с 7 по 13 мая 2018 года

Пт, Май 04, 2018 - 17:20

На данной неделе Луна (Ф= 0,56-) достигнет нисходящего узла своей орбиты (7 мая), а 8 мая астероид Евномия окажется в противостоянии с..

The View Toward M101

Пт, Май 04, 2018 - 8:30

Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier's famous catalog, but definitely not one of the least. About 170,000 light-years across, this galaxy is enormous, almost twice the size of our own Milky Way..

Opposite the Setting Sun

Чт, Май 03, 2018 - 7:30

On April 30, a Full Moon rose opposite the setting Sun. Its yellowish moonglow silhouettes a low tree-lined ridge along Lewis Mountain in this northeastern Alabama skyscape. Sharing the telephoto field-of-view opposite the Sun are..

Журнал “Небосвод” за май 2018 года

Ср, Май 02, 2018 - 20:24

Очередной выпуск бесплатного электронно-печатного издания для любителей астрономии..

Moon Halo over Stone Circle

Ср, Май 02, 2018 - 8:30

Have you ever seen a halo around the Moon? This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. Each ice crystal acts like a miniature lens.

The Aurora and the Sunrise

Вт, Май 01, 2018 - 8:30

On the International Space Station (ISS), you can only admire an aurora until the sun rises. Then the background Earth becomes too bright. Unfortunately, after sunset, the rapid orbit of the ISS around the Earth means that sunrise is..