Новости из категории: astronet

Filaments of the Cygnus Loop

Пн, Сентябрь 28, 2020 - 8:30

What lies at the edge of an expanding supernova? Subtle and delicate in appearance, these ribbons of shocked interstellar gas are part of a blast wave at the expanding edge of a violent stellar explosion that would have been easily..

Lightning over Colorado

Вс, Сентябрь 27, 2020 - 23:30

Have you ever watched a lightning storm in awe? Join the crowd. Oddly, details about how lightning is produced remains a topic of research. What is known is that updrafts carry light ice crystals into collisions with larger and..

Moon Pairs and the Synodic Month

Сб, Сентябрь 26, 2020 - 7:30

Observe the Moon each night and its visible sunlit portion will gradually change. In phases progressing from New Moon to Full Moon to New Moon again, a lunar cycle or synodic month is completed in about 29.5 days.

Календарь наблюдателя на октябрь 2020 года

Пт, Сентябрь 25, 2020 - 16:23

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

Астрономическая неделя с 28 сентября по 4 октября 2020 года

Пт, Сентябрь 25, 2020 - 16:14

На данной неделе 29 сентября Сатурн достигнет стояния с переходом к прямому движению, а 30 сентября Луна (Ф= 0,97+) пройдет южнее Нептуна 1..

Moon over Andromeda

Пт, Сентябрь 25, 2020 - 7:30

The Great Spiral Galaxy in Andromeda (also known as M31), a mere 2.5 million light-years distant, is the closest large spiral to our own Milky Way. Andromeda is visible to the unaided...

Enceladus in Infrared

Чт, Сентябрь 24, 2020 - 8:30

One of our Solar System's most tantalizing worlds, icy Saturnian moon Enceladus appears in these detailed hemisphere views from the Cassini spacecraft. In false color, the five panels present 13 years of infrared image data from Cassini's

ISS Transits Mars

Ср, Сентябрь 23, 2020 - 8:30

Yes, but have you ever seen the space station do this? If you know when and where to look, watching the bright International Space Station (ISS) drift across your night sky is a fascinating sight -- but not very unusual.

Equinox in the Sky

Вт, Сентябрь 22, 2020 - 8:30

Does the Sun set in the same direction every day? No, the direction of sunset depends on the time of the year. Although the Sun always sets approximately toward the west, on an equinox like today the Sun sets directly toward the west.

Omega Sunrise

Пн, Сентябрь 21, 2020 - 8:30

Capturing this sunrise required both luck and timing. First and foremost, precise timing was needed to capture a sailboat crossing right in front of a rising Sun. Additionally, by a lucky coincidence, the background Sun itself..

Breaking Distant Light

Вс, Сентябрь 20, 2020 - 8:30

In the distant universe, time appears to run slowly. Since time-dilated light appears shifted toward the red end of the spectrum (redshifted), astronomers are able to use cosmological time-slowing to help measure vast distances in the..

Orion in Depth

Сб, Сентябрь 19, 2020 - 8:30

Orion is a familiar constellation. The apparent positions of its stars in two dimensions create a well-known pattern on the bowl of planet Earth's night sky. Orion may not look quite so familiar in this 3D view though.