Новости из категории: astronet

Orion Rising over Brazil

Пн, Сентябрь 30, 2019 - 8:30

Have you seen Orion lately? The next few months will be the best for seeing this familiar constellation as it rises continually earlier in the night. However, Orion's stars and nebulas won't look quite as colorful to the eye as they do in..

MyCn 18: The Engraved Hourglass Planetary Nebula

Вс, Сентябрь 29, 2019 - 8:30

Do you see the hourglass shape -- or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of an hourglass -- although one with an unusual eye in its center. Either way, the sands of time are running out for the..

An Analemma of the Sun

Сб, Сентябрь 28, 2019 - 8:30

This week the equinox found the Sun near the middle, but not at the crossing point, of an analemma in its annual trek through planet Earth's skies. In this scenic view, that graceful, figure-8-shaped curve was intentionally posed above the..

The Annotated Galactic Center

Пт, Сентябрь 27, 2019 - 7:30

The center of our Milky Way galaxy can be found some 26,000 light-years away toward the constellation Sagittarius. Even on a dark night, you can't really see it though. Gaze in that direction, and your sight-line is quickly obscured by..

Календарь наблюдателя на октябрь 2019 года

Пт, Сентябрь 27, 2019 - 6:50

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела,..

Журнал “Небосвод” за октябрь 2019 года

Пт, Сентябрь 27, 2019 - 6:43

Очередной выпуск бесплатного электронно-печатного издания для любителей астрономии..

Астрономическая неделя с 30 сентября по 6 октября 2019 года

Пт, Сентябрь 27, 2019 - 6:33

На данной неделе 1 октября долгопериодические переменные звезды V Северной Короны и V Змееносца достигнут максимума блеска (6,5m), 3..

Da Vinci Rise

Чт, Сентябрь 26, 2019 - 8:30

An old Moon rose this morning, its waning sunlit crescent shining just above the eastern horizon before sunrise. But earthshine, light reflected from a bright planet Earth, lit the shadowed portion of the lunar disk and revealed most of a..

PZP-19-0001 PDF

Ср, Сентябрь 25, 2019 - 13:22

The Pelican Nebula in Gas, Dust, and Stars

Ср, Сентябрь 25, 2019 - 8:30

The Pelican Nebula is slowly being transformed. IC 5070, the official designation, is divided from the larger North America Nebula by a molecular cloud filled with dark dust. The Pelican, however, receives much study because it..

Sand Dunes Thawing on Mars

Вт, Сентябрь 24, 2019 - 8:30

What are these strange shapes on Mars? Defrosting sand dunes. As spring dawned on the Northern Hemisphere of Mars, dunes of sand near the pole, as pictured here in late May by ESA's ExoMars Trace Gas Orbiter, began to thaw.

Equinox: The Sun from Solstice to Solstice

Пн, Сентябрь 23, 2019 - 8:31

Today is an equinox, a date when day and night are equal. Tomorrow, and every day until the next equinox, the night will be longer than the day in Earth's northern hemisphere, and the day will be longer than the night in Earth's southern..