Новости из категории: astronet

V961 Cep: A New Eclipsing Variable with a delta Sct Component

Ср, Февраль 16, 2022 - 14:59

New observations of V961 Cep, an eclipsing star with elliptical orbit (P=7.04 d, V=10.14 m, e=0.03, F0 V+F5 V) revealed that its primary component was a delta Sct variable with the period P=0.0482603 d and a pulsation amplitude of 0.009..

Eiffel Tower Prominence on the Sun

Ср, Февраль 16, 2022 - 8:30

What's that on the Sun? Although it may look like a flowing version of the Eiffel Tower, it is a solar prominence that is actually much bigger -- about the height of Jupiter.

Terminator Moon

Вт, Февраль 15, 2022 - 8:30

What's different about this Moon? It's the terminators. In the featured image, you can't directly see any terminator -- the line that divides the light of day from the dark of night. That's because the image is a digital composite of..

Журнал “Небосвод” за март 2022 года

Пн, Февраль 14, 2022 - 11:10

Очередной выпуск журнала для любителей астрономии "Небосвод"

In the Heart of the Heart Nebula

Пн, Февраль 14, 2022 - 7:30

What excites the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. Its shape perhaps fitting of the Valentine's Day, this heart glows brightly in red light emitted by its most prominent..

Earth at Night

Вс, Февраль 13, 2022 - 7:30

This is what the Earth looks like at night. Can you find your favorite country or city? Surprisingly, city lights make this task quite possible. Human-made lights highlight particularly developed or populated areas of the..

Aurora by Moonlight

Сб, Февраль 12, 2022 - 8:30

The ice was singing as light from a bright gibbous Moon cast shadows across this frozen lake, about 20 kilometers north of Stockholm, Sweden, planet Earth. In the alluring night skyscape captured on February 10, shimmering auroral curtains..

Астрономическая неделя с 14 по 20 февраля 2022 года

Пт, Февраль 11, 2022 - 8:35

На данной неделе 14 февраля Луна (Ф= 0,97+) пройдет севернее рассеянного звездного скопления Ясли (М44), а 17 февраля Меркурий достигнет..

IC 342: The Hidden Galaxy in Camelopardalis

Пт, Февраль 11, 2022 - 8:30

Similar in size to large, bright spiral galaxies in our neighborhood, IC 342 is a mere 10 million light-years distant in the long-necked, northern constellation Camelopardalis. A sprawling island universe, IC 342 would otherwise...

T Tauri and Hind s Variable Nebula

Чт, Февраль 10, 2022 - 8:30

The star with an orange tint near top center in this dusty telescopic frame is T Tauri, prototype of the class of T Tauri variable stars. Next to it (right) is a yellow cosmic cloud historically known as Hind's Variable Nebula (NGC 1555).

Eta Car: 3D Model of the Most Dangerous Star Known

Ср, Февраль 09, 2022 - 8:30

What's the most dangerous star near earth? Many believe it's Eta Carinae, a binary star system about 100 times the mass of the Sun, just 10,000 light years from earth.

Aurora and Light Pillars over Norway

Вт, Февраль 08, 2022 - 8:30

Which half of this sky is your favorite? On the left, the night sky is lit up by particles expelled from the Sun that later collided with Earth's upper atmosphere Б creating bright auroras.