Новости из категории: astronet

V470 Cas and GSC 02901-00089, Two New Double-mode Cepheids

Пт, Декабрь 27, 2019 - 16:06

We present a photometric study of two new double-mode Cepheids, pulsating in the first and second overtones modes: V470 Cas and GSC 02901-00089. For the search for double-mode variability, we used all available observations from..

A Partial Solar Eclipse Sequence Reflected

Пт, Декабрь 27, 2019 - 8:30

What's happened to the Sun? Yesterday, if you were in the right place at the right time, you could see the Sun rise partially eclipsed by the Moon. The unusual sight was captured...

Астрономическая неделя с 30 декабря 2019 года по 5 января 2020 года

Пт, Декабрь 27, 2019 - 7:42

На данной неделе 31 декабря Луна (Ф= 0,3+) пройдет близ Нептуна, а 2 января ночное светило окажется (Ф= 0,4+) в апогее своей орбиты на..

The Northern Winter Hexagon

Чт, Декабрь 26, 2019 - 8:30

December's New Moon brought a solar eclipse to some for the holiday season. It also gave beautiful dark night skies to skygazers around the globe, like this moonless northern winter night. In the scene, bright stars of the Winter Hexagon..

Discovery of five W UMa systems

Ср, Декабрь 25, 2019 - 15:49

An Annular Solar Eclipse over New Mexico

Ср, Декабрь 25, 2019 - 8:30

What is this person doing? In 2012 an annular eclipse of the Sun was visible over a narrow path that crossed the northern Pacific Ocean and several western US states. In an annular solar...

A Northern Winter Sky Panorama

Вт, Декабрь 24, 2019 - 7:30

What stars shine in Earth's northern hemisphere during winter? The featured image highlights a number of bright stars visible earlier this month. The image is a 360-degree horizontal-composite panorama of 66 vertical frames taken..

Календарь наблюдателя на январь 2020 года

Пн, Декабрь 23, 2019 - 14:44

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела,..

Журнал “Небосвод” за февраль 2020 года

Пн, Декабрь 23, 2019 - 14:40

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

Places for OSIRIS REx to Touch Asteroid Bennu

Пн, Декабрь 23, 2019 - 8:30

Where is the best place to collect a surface sample from asteroid Bennu? Launched in 2016, NASA sent the robotic Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) to investigate the..

Solstice Illuminated: A Year of Sky

Вс, Декабрь 22, 2019 - 8:30

Can you find which day is the winter solstice? Each panel shows one day. With 360 movie panels, the sky over (almost) an entire year is shown in time lapse format as recorded by a video camera on the roof of the Exploratorium museum in

Solstice to Solstice Solargraph Timelapse

Сб, Декабрь 21, 2019 - 8:30

The 2019 December Solstice, on the first day of winter in planet Earth's northern hemisphere and summer in the south, is at 4:19 Universal Time December 22. That's December 21 for North America, though. Celebrate with a timelapse..