Новости из категории: astronet

Sunrise at Tycho

Ср, Июль 06, 2011 - 7:30

Tycho crater's central peak complex casts a long, dark shadow near local sunrise in this spectacular lunarscape. The dramatic oblique view was recorded on June 10 by the Lunar Reconnaissance Orbiter. Shown in amazing detail, boulder..

A Triangular Shadow of a Large Volcano

Вт, Июль 05, 2011 - 7:30

Why does the shadow of this volcano look like a triangle? The Mount Teide volcano itself does not have the strictly pyramidal shape that its geometric shadow might suggest. The triangle shadow phenomena is not unique to the Mt. Teide,..

Discovery of Three W UMa Type Eclipsing Binaries

Пн, Июль 04, 2011 - 12:14

Southern Ocean Sky

Пн, Июль 04, 2011 - 7:30

Clouds and sky both show illuminating changes during this time lapse video from the south of Australia. In the foreground are scenes visible over a rocky coastline toward the Southern Ocean. Dark clouds flow...

Alpha Centauri: The Closest Star System

Вс, Июль 03, 2011 - 7:30

The closest star system to the Sun is the Alpha Centauri system. Of the three stars in the system, the dimmest -- called Proxima Centauri -- is actually the nearest star. The bright stars Alpha Centauri...

Moon and Venus at Dawn

Сб, Июль 02, 2011 - 7:30

Brilliant Venus and a thin crescent Moon stood together above the eastern horizon just before sunrise on June 30. The lovely celestial pairing is captured in this colorful twilight skyview overlooking a reservoir near Izmir, Turkey. For..

Астрономическая неделя с 4 по 10 июля 2011 года

Пт, Июль 01, 2011 - 15:44

На данной неделе Земля пройдет точку афелия своей орбиты, и отдалится от Солнца на максимальное расстояние. Видимый диаметр..

VAR

Пт, Июль 01, 2011 - 7:30

In the 1920s, examining photographic plates from the Mt. Wilson Observatory's 100 inch telescope, Edwin Hubble determined the distance to the Andromeda Nebula, decisively demonstrating the existence of other galaxies far beyond the Milky Way.

Star Factory Messier 17

Чт, Июнь 30, 2011 - 10:30

Sculpted by stellar winds and radiation, the star factory known as Messier 17 lies some 5,500 light-years away in the nebula-rich constellation Sagittarius. At that distance, this degree wide field of view spans almost 100 light-years,..

V2198 Sgr, a New Double-Mode RR Lyrae Variable Star

Чт, Июнь 30, 2011 - 10:29

Abell 2744: Pandoras Cluster of Galaxies

Ср, Июнь 29, 2011 - 7:30

Why is this cluster of galaxies so jumbled? Far from a smooth distribution, Abell 2744 not only has knots of galaxies, but the X-ray emitting hot gas (colored red) in the cluster appears distributed differently than the dark matter.