Новости из категории: astronet

X Ray Rings Around a Gamma Ray Burst

Пн, Октябрь 17, 2022 - 8:30

Why would x-ray rings appear around a gamma-ray burst? The surprising answer has little to do with the explosion itself but rather with light reflected off areas of dust-laden gas in our own Milky Way Galaxy.

Barred Spiral Galaxy NGC 1300

Вс, Октябрь 16, 2022 - 8:30

Across the center of this spiral galaxy is a bar. And at the center of this bar is smaller spiral. And at the center of that spiralбis a supermassiveбblack hole.б This all happens...

GRB 221009A

Сб, Октябрь 15, 2022 - 8:30

Gamma-ray burst GRB 221009A likely signals the birth of a new black hole, formed at the core of a collapsing star long ago in the distant universe. The extremely powerful blast is depicted in this animated gif constructed using data from the..

The Falcon and the Hunter s Moon

Пт, Октябрь 14, 2022 - 8:30

The Full Moon of October 9th was the second Full Moon after the northern hemisphere autumnal equinox, traditionally called the Hunter's Moon. According to lore, the name is a fitting one because this Full Moon lights the night during a time..

Календарь наблюдателя на ноябрь 2022 года

Пт, Октябрь 14, 2022 - 8:03

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела, доступные для наблюдений невооруженным..

Астрономическая неделя с 17 по 23 октября 2022 года

Пт, Октябрь 14, 2022 - 8:00

На данной неделе 17 октября произойдет покрытие Луной (Ф= 0,48-) звезды омега Рака при видимости на Европейской части страны и в Сибири, а 23..

Dust Shells around WR 140 from Webb

Чт, Октябрь 13, 2022 - 8:30

What are those strange rings? Rich in dust, the rings are likely 3D shells -- but how they were created remains a topic of research. Where they were created is well known: in a binary...

Ou4: The Giant Squid Nebula

Ср, Октябрь 12, 2022 - 8:30

A mysterious squid-like cosmic cloud, this nebula is very faint, but also very large in planet Earth's sky. In the image, composed with 30 hours of narrowband image data, it spans nearly three full moons toward the royal constellation..

Stars, Dust, Pillars, and Jets in the Pelican Nebula

Вт, Октябрь 11, 2022 - 8:30

What dark structures arise within the Pelican Nebula? On the whole, the nebula appears like a bird (a pelican) and is seen toward the constellation of a different bird: Cygnus, a Swan. But inside, the Pelican Nebula is a place lit up by..

A Double Lunar Analemma over Turkey

Пн, Октябрь 10, 2022 - 8:30

An analemma is that figure-8 curve you get when you mark the position of the Sun at the same time each day for one year. But the trick to imaging an analemma of the Moon is to wait bit longer.

Auroras over Northern Canada

Вс, Октябрь 09, 2022 - 7:30

Gusting solar winds and blasts of charged particles from the Sun resulted in several rewarding nights of auroras back in 2014 December, near the peak of the last 11-year solar cycle. The featured image captured dramatic auroras..

Two Comets in Southern Skies

Сб, Октябрь 08, 2022 - 8:30

Heading for its closest approach to the Sun or perihelion on December 20, comet C/2017 K2 (PanSTARRS) remains a sight for telescopic observers as it sweeps through planet Earth's southern hemisphere skies. First...