Новости из категории: astronet

Anticrepuscular Rays at the Planet Festival

Пт, Июль 19, 2024 - 9:30

For some, these subtle bands of light and shadow stretched across the sky as the Sun set on July 11. Known as anticrepuscular rays, the bands are formed as a large cloud bank near the western horizon cast long shadows through the..

Messier 24: Sagittarius Star Cloud

Чт, Июль 18, 2024 - 8:30

Unlike most entries in Charles Messier's famous catalog of deep sky objects, M24 is not a bright galaxy, star cluster, or nebula. It's a gap in nearby, obscuring interstellar dust clouds that allows a view of the distant stars in the..

APOD: 2024 July 17 Б Villarrica Volcano Against the Sky

Ср, Июль 17, 2024 - 9:30

When Vulcan, the Roman god of fire, swings his blacksmith's hammer, the sky is lit on fire. A recent eruption of Chile's Villarrica volcano shows the delicate interplay between this fire -- actually...

APOD: 2024 July 16 Б Cometary Globules

Вт, Июль 16, 2024 - 8:30

What are these unusual interstellar structures? Bright-rimmed, flowing shapes gather near the center of this rich starfield toward the borders of the nautical southern constellations Pupis and Vela. Composed of interstellar gas and dust,..

APOD: 2024 July 15 Б The Tadpole Galaxy from Hubble

Пн, Июль 15, 2024 - 12:30

Why does this galaxy have such a long tail? In this stunning vista, based on image data from the Hubble Legacy Archive, distant galaxies form a dramatic backdrop for disrupted spiral galaxy Arp 188, the Tadpole Galaxy. The cosmic..

APOD: 2024 July 14 Б Meteor Misses Galaxy

Вс, Июль 14, 2024 - 9:30

The galaxy was never in danger. For one thing, the Triangulum galaxy (M33), pictured, is much bigger than the tiny grain of rock at the head of the meteor. For another, the galaxy is much farther away -- in this instance 3 million

Solar System Family Portrait

Сб, Июль 13, 2024 - 7:30

In 1990, cruising four billion miles from the Sun, the Voyager 1 spacecraft looked back to make this first ever Solar System family portrait. The complete portrait is a 60 frame mosaic made from a vantage point 32 degrees above the ecliptic..

Астрономическая неделя с 15 по 21 июля 2024 года

Пт, Июль 12, 2024 - 10:19

На данной неделе 15 июля Марс пройдет в полградуса южнее Урана, а 17 июля произойдет покрытие Луной (Ф= 0,85+) Антареса при видимости в Африке

Jones Emberson 1

Пт, Июль 12, 2024 - 8:30

Planetary nebula Jones-Emberson 1 is the death shroud of a dying Sun-like star. It lies some 1,600 light-years from Earth toward the sharp-eyed constellation Lynx. About 4 light-years across, the expanding remnant...

Globular Cluster Omega Centauri

Чт, Июль 11, 2024 - 8:30

Globular star cluster Omega Centauri packs about 10 million stars much older than the Sun into a volume some 150 light-years in diameter. Also known as NGC 5139, at a distance...

A Sagittarius Triplet

Ср, Июль 10, 2024 - 7:30

These three bright nebulae are often featured on telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way. In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the..

APOD: 2024 July 9 Б Noctilucent Clouds over Florida

Вт, Июль 09, 2024 - 8:30

These clouds are doubly unusual. First, they are rare noctilucent clouds, meaning that they are visible at night -- but only just before sunrise or just after sunset. Second, the source of these noctilucent clouds is actually known.