Новости из категории: astronet

IC 1318: The Butterfly Nebula in Gas and Dust

Вт, Март 16, 2021 - 7:30

In the constellation of the swan near the nebula of the pelican lies the gas cloud of the butterfly next to a star known as the hen. That star, given the proper name Sadr...

Meteor Fireballs in Light and Sound

Пн, Март 15, 2021 - 7:30

Yes, but have you ever heard a meteor? Usually, meteors are too far away to make any audible sound. However, a meteor will briefly create an ionization trail that can reflect a distant radio signal. If the geometry is right, you..

A Flag Shaped Aurora over Sweden

Вс, Март 14, 2021 - 8:30

It appeared, momentarily, like a 50-km tall banded flag. In mid-March of 2015, an energetic Coronal Mass Ejection directed toward a clear magnetic channel to Earth led to one of the more intense geomagnetic storms of recent years. A..

Журнал “Небосвод”за апрель 2021 года

Сб, Март 13, 2021 - 14:50

Очередной номер журнала "Небосвод" для любителей астрономии и от любителей астрономии

SuperCam Target on Maaz

Сб, Март 13, 2021 - 8:30

What's the sound of one laser zapping? There's no need to consult a Zen master to find out, just listen to the first acoustic recording of laser shots on Mars. On Perseverance...

Messier 81

Пт, Март 12, 2021 - 8:30

One of the brightest galaxies in planet Earth's sky is similar in size to our Milky Way Galaxy: big, beautiful Messier 81. Also known as NGC 3031 or Bode's galaxy for its 18th century discoverer, this grand spiral can be found toward the..

Астрономическая неделя с 15 по 21 марта 2021 года

Пт, Март 12, 2021 - 7:05

На данной неделе 17 марта Луна (Ф= 0,12+) пройдет южнее Урана, а 18 марта Луна (Ф= 0,29+) окажется в апогее своей орбиты на расстоянии 405254 км от..

Zodiacal Light and Mars

Чт, Март 11, 2021 - 8:30

Just after sunset on March 7, a faint band of light still reaches above the western horizon in this serene, rural Illinois, night skyscape. Taken from an old farmstead, the luminous glow is zodiacal light, prominent in the west after sunset..

USNO-B1.0 0992-0344981, a New Double-mode Type-II Cepheid

Ср, Март 10, 2021 - 16:33

I present a detection of a new double-mode type~II Cepheid (BL Her type), USNO-B1.0 0992-0344981, pulsating in the fundamental and first-overtone modes. It is the fifth case in the Galaxy of stars of this type. For the analysis, I used all..

NGC 1499: туманность Калифорния

Ср, Март 10, 2021 - 8:30

Мог ли мифический остров королевы Калафии существовать в космосе? Скорее всего нет, но по чистой случайности очертания этого..

NGC 1499: The California Nebula

Ср, Март 10, 2021 - 8:30

Could Queen Calafia's mythical island exist in space? Perhaps not, but by chance the outline of this molecular space cloud echoes the outline of the state of California, USA. Our Sun has its home within the Milky Way's Orion Arm, only..

Perseverance 360: Unusual Rocks and the Search for Life on Mars

Вт, Март 09, 2021 - 8:30

Is that a fossil?б Looking through recent images of Mars taken by the new Perseverance rover may seem a bit like treasure hunting, with the possibility of fame coming to the first person...