Новости из категории: astronet

IC 1805: The Heart Nebula in HDR

Вт, Октябрь 25, 2011 - 7:30

What powers the Heart Nebula? The large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape..

HH 222: The Waterfall Nebula

Пн, Октябрь 24, 2011 - 7:30

What created the Waterfall Nebula? No one knows. The structure seen in the region of NGC 1999 in the Great Orion Molecular Cloud complex is one of the more mysterious structures yet found on the sky. Designated HH-222, the elongated..

Jupiter’s Clouds from New Horizons

Вс, Октябрь 23, 2011 - 7:30

The New Horizons spacecraft took some stunning images of Jupiter on its way out to Pluto. Famous for its Great Red Spot, Jupiter is also known for its regular, equatorial cloud bands, visible through even modest sized telescopes.

Астрономический календарь на 2012 год

Сб, Октябрь 22, 2011 - 19:28

Ежегодник, составлен на основе программы АК4.30 Кузнецова Александра (Нижний Тагил), и описывает основных астрономических явления,..

Jupiter Near Opposition

Сб, Октябрь 22, 2011 - 7:30

On October 29 (UT), Jupiter, the solar system's largest planet, will be at opposition, opposite the Sun in planet Earth's sky, shining brightly and rising as the Sun sets. That configuration results...

Астрономическая неделя с 24 по 30 октября 2011 года

Пт, Октябрь 21, 2011 - 18:31

На данной неделе Юпитер вступит в противостояние с Солнцем, астероид Ганимед достигнет максимума блеска (8,4m) и сблизится с Юпитером, а..

Clouds of Perseus

Пт, Октябрь 21, 2011 - 7:30

Cosmic clouds of gas and dust drift across this magnificent panorama, spanning some 17 degrees near the southern boundary of the heroic constellation Perseus. The collaborative skyscape begins with bluish stars of Perseus at the left, but..

Tails of Comet Garradd

Чт, Октябрь 20, 2011 - 7:31

A good target for binoculars and small telescopes, Comet Garradd (C/2009 P1) now shines in planet Earth's evening skies, a steady performer but just below naked-eye visibility. Telescopic images like this composite from...

Draconid Meteors Over Spain

Ср, Октябрь 19, 2011 - 7:30

What are those streaks in the sky? They're meteors from the Draconids meteor shower that peaked earlier this month. The above composite image captured numerous meteor streaks over 90 minutes above the Celtic ruins of Capote in Badajoz..

Photometric Mass Estimate for the Compact Component of SS 433: And Yet It Is a Neutron Star

Вт, Октябрь 18, 2011 - 16:31

After 33 years of extensive studies of SS 433, we have learnt much about this unique system with moving emission lines in the spectrum. The orbital inclination is known from spectroscopic observations of moving lines; the distance is..

Movie: Approaching Light Speed

Вт, Октябрь 18, 2011 - 7:30

What would it look like to travel near the speed of light? Strange visual effects would appear as documented in the above relativistically-accurate animation. First of all, relativistic aberration would cause objects to appear to bunch..

MACS 1206: A Galaxy Cluster Gravitational Len

Пн, Октябрь 17, 2011 - 7:30

It is difficult to hide a galaxy behind a cluster of galaxies. The closer cluster's gravity will act like a huge lens, pulling images of the distant galaxy around the sides and greatly distorting them.