Новости из категории: astronet

The 83rd Name-List of Variable Stars. Variables in Globular Clusters and Novae

Ср, Ноябрь 18, 2020 - 11:33

We present a new Name-List of variable stars containing information on 1385 variable stars in globular star clusters (constellations Bootes - Lupus; 26 clusters in 16 constellations) that now get their names in the system of the General..

A Double Star Cluster in Perseus

Ср, Ноябрь 18, 2020 - 8:30

Most star clusters are singularly impressive. Open clusters NGC 869 and NGC 884, however, could be considered doubly impressive. Also known as "h and chi Persei", this unusual double cluster, shown above, is bright enough to be seen..

A Glowing STEVE and the Milky Way

Вт, Ноябрь 17, 2020 - 7:30

What's creating these long glowing streaks in the sky? No one is sure. Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals..

Light and Glory over Crete

Пн, Ноябрь 16, 2020 - 8:30

The month was July, the place was the Greek island of Crete, and the sky was spectacular. Of course there were the usual stars like Polaris, Vega, and Antares -- and that common asterism everyone knows: the Big Dipper. But..

Edge On Galaxy NGC 5866

Вс, Ноябрь 15, 2020 - 8:30

Why is this galaxy so thin? Many disk galaxies are just as thin as NGC 5866, pictured here, but are not seen edge-on from our vantage point. One galaxy that is situated edge-on is our own Milky Way Galaxy.

Venus, Mercury, and the Waning Moon

Сб, Ноябрь 14, 2020 - 8:30

Yesterday, early morning risers around planet Earth were treated to a waning Moon low in the east as the sky grew bright before dawn. From the Island of Ortigia, Syracuse, Sicily, Italy this simple snapshot found the slender sunlit crescent

The Tarantula Zone

Пт, Ноябрь 13, 2020 - 8:30

The Tarantula Nebula, also known as 30 Doradus, is more than a thousand light-years in diameter, a giant star forming region within nearby satellite galaxy the Large Magellanic Cloud. About 180 thousand light-years away, it's the largest,

Журнал “Небосвод” за декабрь 2020 года

Пт, Ноябрь 13, 2020 - 7:15

Очередной номер журнала "Небосвод" для любителей астрономии и от любителей астрономии

Астрономическая неделя с 16 по 22 ноября 2020 года

Пт, Ноябрь 13, 2020 - 7:08

На данной неделе 16 ноября Луна (Ф= 0,02+) пройдет севернее Антареса, а 17 ноября при фазе 0,05+ окажется в нисходящем узле своей орбиты. В этот..

Comet ATLAS and Orion s Belt

Чт, Ноябрь 12, 2020 - 8:30

With its closest approach to planet Earth scheduled for November 14, this Comet ATLAS (C/2020 M3) was discovered just this summer, another comet found by the NASA funded Asteroid Terrestrial-impact Last Alert System.

The Central Soul Nebula Without Stars

Вт, Ноябрь 10, 2020 - 8:30

This cosmic close-up looks deep inside the Soul Nebula. The dark and brooding dust clouds near the top, outlined by bright ridges of glowing gas, are cataloged as IC 1871. About 25 light-years across, the telescopic field of view..

In Green Company: Aurora over Norway

Пн, Ноябрь 09, 2020 - 8:30

Raise your arms if you see an aurora. With those instructions, two nights went by with, well, clouds -- mostly. On the third night of returning to same peaks, though, the sky not only cleared up but lit up with a spectacular auroral..