Новости из категории: astronet

M57: The Ring Nebula

Вт, Апрель 17, 2018 - 8:30

Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band. Its classic appearance is understood to be due to our own perspective, though. The recent mapping...

Flyover of Jupiters North Pole in Infrared

Пн, Апрель 16, 2018 - 8:30

What would it look like to fly over the North Pole of Jupiter? A fictional animation made from real images and data captured by NASA's Juno spacecraft shows an answer. Since the pole...

What's that rising from the clouds? The space shuttle. Sometimes, if you look out the window of an airplane at just the right time and place, you see something unusual -- in this case a space shuttle launching to orbit.

Martian Chiaroscuro

Сб, Апрель 14, 2018 - 8:30

Deep shadows create dramatic contrasts between light and dark in this high-resolution close-up of the martian surface. Recorded on January 24, 2014 by the HiRISE camera onboard the Mars Reconnaissance Orbiter, the scene spans about 1.5..

Астрономическая неделя с 16 по 22 апреля 2018 года

Пт, Апрель 13, 2018 - 21:28

На данной неделе 17 апреля Луна (Ф= 0,05+) пройдет близ Венеры, а 22 апреля наступит максимум действия метеорного потока Лириды (часовое..

A Study of Double-Mode Variables

Пт, Апрель 13, 2018 - 14:46

I present a detection of 44 new double-mode variable stars, of which 25 variables are high-amplitude Delta Scuti stars, HADS(B) type, and 19 stars are RR Lyrae variables, RR(B) type. For two of the HADS(B) stars, their detection was the

Facing NGC 3344

Пт, Апрель 13, 2018 - 8:30

From our vantage point in the Milky Way Galaxy, we see NGC 3344 face-on. Nearly 40,000 light-years across, the big, beautiful spiral galaxy is located just 20 million light-years away in the constellation of Leo Minor. This multi-color..

M22 and the Wanderers

Чт, Апрель 12, 2018 - 8:30

Wandering through the constellation Sagittarius, bright planets Mars and Saturn appeared together in early morning skies over the last weeks. They are captured in this 3 degree wide field-of-view from March 31 in a close celestial triangle..

Fortuitous Flash Candidate for the Farthest Star Yet Seen

Ср, Апрель 11, 2018 - 7:30

Was this flash the farthest star yet seen? An unexpected flash of light noticed fortuitously on Hubble Space Telescope images may prove to be not only an unusual gravitational lensing event but also an image of a normal star 100 times..

Dragon Aurora over Norway

Вт, Апрель 10, 2018 - 7:30

What's that in the sky? An aurora. A large coronal hole opened last month, a few days before this image was taken, throwing a cloud of fast moving electrons, protons, and ions toward the Earth.

The Sun Unleashed: Monster Filament in Ultraviolet

Пн, Апрель 09, 2018 - 8:30

One of the most spectacular solar sights is an explosive flare. In 2011 June, the Sun unleashed somewhat impressive, medium-sized solar flare as rotation carried active regions of sunpots toward the solar limb. That...