Новости из категории: astronet

APOD: 2024 September 23 Б Comet Tsuchinshan ATLAS Approaches

Пн, Сентябрь 23, 2024 - 8:30

What will happen as this already bright comet approaches? Optimistic predictions have Comet C/2023 A3 (TsuchinshanБATLAS) briefly becoming easily visible to the unaided eye -- although the future brightness of comets are notoriously

APOD: 2024 September 22 Б Chicagohenge: Equinox in an Aligned City

Вс, Сентябрь 22, 2024 - 8:30

Chicago, in a way, is like a modern Stonehenge. The way is east to west, and the time is today. Today, and every equinox, the Sun will set exactly to the west, everywhere on Earth.

Sunrise Shadows in the Sky

Сб, Сентябрь 21, 2024 - 8:30

The defining astronomical moment of this September's equinox is at 12:44 UTC on September 22, when the Sun crosses the celestial equator moving south in its yearly journey through planet Earth's sky.

Sunrise Shadows in the Sky

Сб, Сентябрь 21, 2024 - 8:30

The defining astronomical moment of this September's equinox is at 12:44 UTC on September 22, when the Sun crosses the celestial equator moving south in its yearly journey through planet Earth's sky.

Календарь наблюдателя на октябрь 2024 года

Пт, Сентябрь 20, 2024 - 10:59

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

Астрономическая неделя с 23 по 29 сентября 2024 года

Пт, Сентябрь 20, 2024 - 10:57

На данной неделе 23 сентября Луна (Ф= 0,59-) пройдет близ Юпитера, а 24 сентября при фазе 0,51- пройдет точку максимального склонения к северу..

A Hazy Harvest Moon

Пт, Сентябрь 20, 2024 - 8:30

For northern hemisphere dwellers, September's Full Moon was the Harvest Moon. On September 17/18 the sunlit lunar nearside passed into shadow, just grazing Earth's umbra, the planet's dark, central shadow cone, in a partial lunar eclipse.

The Dark Seahorse of Cepheus

Чт, Сентябрь 19, 2024 - 8:30

Spanning light-years, this suggestive shape known as the Seahorse Nebula floats in silhouette against a rich, luminous background of stars. Seen toward the royal northern constellation of Cepheus, the dusty, dark nebula is part of a Milky..

APOD: 2024 September 18 Б The Mermaid Nebula Supernova Remnant

Ср, Сентябрь 18, 2024 - 8:30

New stars are born from the remnants of dead stars. The gaseous remnant of the gravitational collapse and subsequent death of a very massive star in our Milky Way created the G296.5+10.0 supernova remnant, of which the

Color-based Disentangling of Mira Variables and Ultra-Cool Dwarfs

Вт, Сентябрь 17, 2024 - 14:55

Despite having different astronomical characteristics, Mira variables and ultra-cool dwarfs frequently show similar red colors, which could result in photometric misclassification. This study uses photometric data from the..

New and Improved Light Elements for Twenty Suspected Variable Stars

Вт, Сентябрь 17, 2024 - 13:10

APOD: 2024 September 17 Б Melotte 15 in the Heart Nebula

Вт, Сентябрь 17, 2024 - 8:30

Cosmic clouds form fantastic shapes in the central regions of emission nebula IC 1805. The clouds are sculpted by stellar winds and radiation from massive hot stars in the nebula's newborn star cluster, Melotte 15.