Новости из категории: astronet

Астрономическая неделя с 18 по 24 сентября 2023 года

Чт, Сентябрь 14, 2023 - 12:42

На данной неделе 23 сентября наступит осеннее равноденствие. В этот день в 06 часов 50 минут по всемирному времени Солнце, двигаясь по..

NGC 7331 and Beyond

Чт, Сентябрь 14, 2023 - 8:30

Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of..

APOD: 2023 September 13 Б NGC 4632: Galaxy with a Hidden Polar Ring

Ср, Сентябрь 13, 2023 - 8:30

Galaxy NGC 4632 hides a secret from optical telescopes. It is surrounded by a ring of cool hydrogen gas orbiting at 90 degrees to its spiral disk. Such polar ring galaxies have previously been discovered using starlight. However,..

Galaxy Cluster Abell 370 and Beyond

Вт, Сентябрь 12, 2023 - 8:30

Some 4 billion light-years away, massive galaxy cluster Abell 370 is captured in this sharp Hubble Space Telescope snapshot. The cluster of galaxies only appears to be dominated by two giant elliptical galaxies and infested with faint arcs.

APOD: 2023 September 11 Б Beautiful Comet Nishimura

Пн, Сентябрь 11, 2023 - 8:30

This scene would be beautiful even without the comet. By itself, the sunrise sky is an elegant deep blue on high, with faint white stars peeking through, while near the horizon is a pleasing tan.

APOD: 2023 September 10 Б An Annular Solar Eclipse over New Mexico

Вс, Сентябрь 10, 2023 - 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...

APOD: 2023 September 9 Б Comet Nishimura Grows

Сб, Сентябрь 09, 2023 - 8:30

Comet Nishimura is growing. More precisely, the tails C/2023 P1 (Nishimura) are growing as it nears the Sun. Discovered only last month, the comet is already near naked eye brightness as it now moves inside the Earth's orbit.

Star Factory Messier 17

Пт, Сентябрь 08, 2023 - 8:30

Sculpted by stellar winds and radiation, the star factory known as Messier 17 lies some 5,500 light-years away in the nebula-rich constellation Sagittarius. At that distance, this 1/3 degree wide field of view spans over 30 light-years.

The Large Cloud of Magellan

Чт, Сентябрь 07, 2023 - 7:30

The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern sky during the first circumnavigation of planet Earth. As a result, two fuzzy cloud-like objects easily...

g’r$ CCD observations of four long-period eclipsing variables

Ср, Сентябрь 06, 2023 - 11:43

About 600 CCD magnitude measurements in the g', r' filters were acquired in 2022 for four long-period eclipsing binaries: V698 Cyg, V788 Cyg, EU Gem, V733 Per. The light elements for all these systems were derived using the ASAS-SN..

APOD: 2023 September 6 Б HESS Telescopes Explore the High Energy Sky

Ср, Сентябрь 06, 2023 - 8:30

They may look like modern mechanical dinosaurs, but they are enormous swiveling eyes that watch the sky. The High Energy Stereoscopic System (H.E.S.S.) Observatory is composed of four 12-meter reflecting-mirror telescopes surrounding a