Новости из категории: astronet

Stars, Sprites, Clouds, Auroras

Ср, Февраль 04, 2015 - 8:30

What are those red streaks in the sky? While photographing unexpected auroras over a distant thunderstorm, something extraordinary happened: red sprites. This brief instance of rarely imaged high-altitude lightning flashed so bright that it..

Jets from Comet Churyumov Gerasimenko

Вт, Февраль 03, 2015 - 9:30

Where do comet tails come from? Although it is common knowledge that comet tails and comas originate from comet nuclei, exactly how that happens is an active topic of research. One of the best...

Журнал “Небосвод” за февраль 2015 года

Пн, Февраль 02, 2015 - 22:56

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

Titan Seas Reflect Sunlight

Пн, Февраль 02, 2015 - 8:30

Why would the surface of Titan light up with a blinding flash? The reason: a sunglint from liquid seas. Saturn's moon Titan has numerous smooth lakes of methane that, when the angle is right, reflect sunlight as if they were mirrors.

NGC 4676: When Mice Collide

Вс, Февраль 01, 2015 - 9:30

These two mighty galaxies are pulling each other apart. Known as the "Mice" because they have such long tails, each spiral galaxy has likely already passed through the other. The long tails are created by the relative difference..

Кротовые норы: что это миф, врата в другие миры или математическая абстракция?

Сб, Январь 31, 2015 - 15:37

Данный текст представляет собой вторую версию моей книги о кротовых норах и черных дырах. Я постарался сделать ее понятной для..

Yellow Balls in W33

Сб, Январь 31, 2015 - 8:30

Infrared wavelengths of 3.6, 8.0, and 24.0 microns observed by the Spitzer Space Telescope are mapped into visible colors red, green, and blue in this striking image. The cosmic cloud of gas and dust is W33, a massive starforming complex..

Астрономическая неделя со 2 по 8 февраля 2015 года

Сб, Январь 31, 2015 - 1:25

На данной неделе Меркурий появится в лучах восходящего Солнца и пройдет в 2,5 градусах севернее астероида Эвномия и в 4,8 градусах..

A Night at Poker Flat

Пт, Январь 30, 2015 - 9:30

Four NASA suborbital sounding rockets leapt into the night on January 26, from the University of Alaska's Poker Flat Research Range. This time lapse composite image follows all four launches of the small, multi-stage rockets to explore

Close Encounter with M44

Чт, Январь 29, 2015 - 9:30

On Monday, January 26, well-tracked asteroid 2004 BL86 made its closest approach, a mere 1.2 million kilometers from our fair planet. That's about 3.1 times the Earth-Moon distance or 4 light-seconds away. Moving...

Close Encounter with M44

Чт, Январь 29, 2015 - 8:30

Comet Lovejoy in a Winter Sky

Ср, Январь 28, 2015 - 9:31

Which of these night sky icons can you find in this beautiful and deep exposure of the northern winter sky? Skylights include the stars in Orion's belt, the Orion Nebula, the Pleiades star cluster, the bright stars Betelgeuse and