Astronomy Picture of the Day

Astronomy Picture Of the Day (APOD)

NGC 7331 и за ней NGC 7331 and Beyond

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 the brighter galaxies not included in Charles Messier's famous 18th century catalog.

NGC 4632: галактика со спрятанным полярным кольцом APOD: 2023 September 13 Б NGC 4632: Galaxy with a Hidden Polar Ring

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, NGC 4632 is among the first in which a radio telescope survey revealed a polar ring.

Скопление галактик Эйбелл 370 и за ним Galaxy Cluster Abell 370 and Beyond

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.

Прекрасная комета Нишимура APOD: 2023 September 11 Б Beautiful Comet Nishimura

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.

Кольцеобразное солнечное затмение над Нью-Мексико APOD: 2023 September 10 Б An Annular Solar Eclipse over New Mexico

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...

Комета Нишимура растет APOD: 2023 September 9 Б Comet Nishimura Grows

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.

Звездная фабрика Мессье 17 Star Factory Messier 17

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.

Большое Магелланово Облако The Large Cloud of Magellan

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...

Телескопы HESS исследуют небо в высокоэнергичном диапазоне APOD: 2023 September 6 Б HESS Telescopes Explore the High Energy Sky

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 larger telescope housing a 28-meter mirror.

Голубая Суперлуна над Сиракузами APOD: 2023 September 5 Б Blue Supermoon Beyond Syracuse

The last full moon was doubly unusual. First of all, it was a blue moon. A modern definition of a blue moon is a second full moon to occur during one calendar month. Since there are 13 full moons in 2023, one month has to have two -- and that month was August.

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