Новости из категории: astronet

At the Shadow s Edge

Чт, Ноябрь 25, 2021 - 8:30

Shaped like a cone tapering into space, the Earth's dark central shadow or umbra has a circular cross-section. It's wider than the Moon at the distance of the Moon's orbit though. But during the lunar eclipse of November 18/19, part of

Pleiades: The Seven Sisters Star Cluster

Ср, Ноябрь 24, 2021 - 8:30

Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as large and clear as this. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars..

The Sun in X rays from NuSTAR

Вт, Ноябрь 23, 2021 - 8:30

Why are the regions above sunspots so hot? Sunspots themselves are a bit cooler than the surrounding solar surface because the magnetic fields that create them reduce convective heating. It is therefore unusual that regions overhead --

Журнал “Небосвод” за январь 2022 года

Пн, Ноябрь 22, 2021 - 17:04

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

Журнал “Небосвод” за январь 2022 года

Пн, Ноябрь 22, 2021 - 17:04

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

Лунное затмение над небоскребом

Пн, Ноябрь 22, 2021 - 8:30

Почему Луна находится прямо на вершине этого здания? Астрофотографу потребовалось тщательно спланировать съемку. Чтобы..

Lunar Eclipse over a Skyscraper

Пн, Ноябрь 22, 2021 - 8:30

Why is the Moon on top of this building? Planning. It took the astrophotographer careful planning -- including figuring out exactly where to place the camera and exactly when to take the shot -- to create this striking superposition.

An Almost Total Lunar Eclipse

Сб, Ноябрь 20, 2021 - 8:30

Predawn hours of November 19 found the Moon in partly cloudy skies over Cancun, Mexico. Captured in this telephoto snapshot, the lunar disk is not quite entirely immersed in Earth's dark umbral shadow during a long partial lunar eclipse.

NGC 281: Starless with Stars

Пт, Ноябрь 19, 2021 - 8:30

In visible light the stars have been removed from this narrow-band image of NGC 281, a star forming region some 10,000 light-years away toward the constellation Cassiopeia. Stars were digitally added back to the resulting starless image..

Астрономическая неделя с 22 по 28 ноября 2021 года

Пт, Ноябрь 19, 2021 - 7:21

На данной неделе 26 ноября произойдет покрытие Луной (Ф= 0,56-) звезды эта Льва (3,5m) при видимости на большей части страны

Full Moonlight

Чт, Ноябрь 18, 2021 - 8:30

A photographer in silhouette stands in bright moonlight as the Full Moon rises in this well-planned telephoto image. Of course, the Full Moon is normally the brightest lunar phase. But on November 18/19, the Full Moon's light will be..

NGC 3314: When Galaxies Overlap

Ср, Ноябрь 17, 2021 - 8:30

Why doesn't the nearby galaxy create a gravitational lensing effect on the background galaxy? It does, but since both galaxies are so nearby, the angular shift is much smaller than the angular sizes of the galaxies themselves.