Новости из категории: astronet

Quarter Moons

Сб, Октябрь 21, 2023 - 8:30

Half way between New Moon and Full Moon is the Moon's first quarter phase. That's a quarter of the way around its moonthly orbit. At the first quarter phase, half the Moon's visible side is illuminated by sunlight.

Catalog of Multi-Mode Radially Pulsating Variables: I

Пт, Октябрь 20, 2023 - 13:31

I present a catalog of newly detected Multi-Mode Radially Pulsating (MMRP) variable stars that pulsate in the fundamental, first, second, or third-overtone modes. This catalog includes 50 double- and multi-mode stars. Among..

Galaxies and a Comet

Пт, Октябрь 20, 2023 - 8:30

Galaxies abound in this sharp telescopic image recorded on October 12 in dark skies over June Lake, California. The celestial scene spans nearly 2 degrees within the boundaries of the well-trained northern constellation Canes Venatici.

A Sunrise at Sunset Point

Чт, Октябрь 19, 2023 - 7:30

This timelapse series captured on October 14 is set against the sunrise view from Sunset Point, Bryce Canyon, planet Earth. Of course on that date the New Moon caught up with the Sun in the canyon's morning skies.

APOD: 2023 October 18 Б Dust and the Western Veil Nebula

Ср, Октябрь 18, 2023 - 8:30

It's so big it is easy to miss. The entire Veil Nebula spans six times the diameter of the full moon, but is so dim you need binoculars to see it. The nebula was created about 15,000 years ago when a star in the constellation of..

APOD: 2023 October 17 Б PDS 70: Disk, Planets, and Moons

Вт, Октябрь 17, 2023 - 8:30

It's not the big ring that's attracting the most attention. Although the big planet-forming ring around the star PDS 70 is clearly imaged and itself quite interesting. It's also not the planet on the right, just inside the big disk,..

Астрономическая неделя с 23 по 29 октября 2023 года

Пн, Октябрь 16, 2023 - 13:03

На данной неделе 28 октября Луна (Ф= 0,99+) окажется в восходящем узле своей орбиты, а также произойдет частное лунное затмение при..

APOD: 2023 October 16 Б Eclipse Rings

Пн, Октябрь 16, 2023 - 7:30

She knew everything but the question. She was well aware that there would be a complete annular eclipse of the Sun visible from their driving destination: Lake Abert in Oregon. She knew that the next ring-of-fire eclipse would..

APOD: 2023 October 15 Б An Eclipse Tree

Вс, Октябрь 15, 2023 - 8:30

Yes, but can your tree do this? If you look closely at the ground in the featured image, you will see many images of yesterday's solar eclipse -- created by a tree. Gaps between...

Circular Sun Halo

Сб, Октябрь 14, 2023 - 8:30

Want to see a ring around the Sun? It's easy to do in daytime skies around the world. Created by randomly oriented ice crystals in thin high cirrus clouds, circular 22 degree halos are visible much more often than rainbows.

Астрономическая неделя с 16 по 22 октября 2023 года

Пт, Октябрь 13, 2023 - 12:49

На данной неделе 18 октября Луна (Ф= 0,15+) покроет Антарес при видимости на Европейской части России

Hydrogen Clouds of M33

Пт, Октябрь 13, 2023 - 8:30

Gorgeous spiral galaxy Messier 33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away.