Новости из категории: astronet

New Eclipsing Cataclysmic Variable Candidate in the Period Gap

Чт, Апрель 19, 2018 - 10:57

We report the discovery of a blue eclipsing variable Dan V1 in Sagittarius with the orbital period P=0.094277 days (2.2626 hours). The object is also an UV source, indicating the presence of a white dwarf in the binary system. We..

NGC 7635: The Bubble Nebula

Чт, Апрель 19, 2018 - 8:30

Blown by the wind from a massive star, this interstellar apparition has a surprisingly familiar shape. Cataloged as NGC 7635, it is also known simply as The Bubble Nebula. Although it looks delicate, the 7 light-year diameter bubble offers..

Milky Way over Deadvlei in Namibia

Ср, Апрель 18, 2018 - 7:30

What planet is this? It is the only planet currently known to have trees. The trees in Deadvlei, though, have been dead for over 500 years. Located in Namib-Naukluft Park in Namibia (Earth), saplings grew after rainfall caused..

M57: туманность Кольцо

Вт, Апрель 17, 2018 - 8:30

После колец Сатурна, туманность Кольцо (M57), пожалуй, самое известное кольцо на небе. Ее внешний вид обусловлен нашим положением..

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...

Space Shuttle Rising

Вс, Апрель 15, 2018 - 8:30

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..