Новости из категории: astronet

The Galactic Center in Stars, Gas, and Magnetism

Ср, Июнь 02, 2021 - 8:30

What's going on near the center of our galaxy? To help find out, a newly detailed panorama has been composed that explores regions just above and below the galactic plane in radio and X-ray light.

Starlink over Orion

Вт, Июнь 01, 2021 - 8:30

What are those streaks across Orion? Most are reflections of sunlight from numerous Earth-orbiting Starlink satellites. Appearing by eye as a series of successive points floating across a twilight sky, the increasing number of SpaceX..

Mimas: Small Moon with a Big Crater

Пн, Май 31, 2021 - 8:30

Whatever hit Mimas nearly destroyed it. What remains is one of the largest impact craters on one of Saturn's smallest round moons. Analysis indicates that a slightly larger impact would have destroyed Mimas entirely.

Aurora over Clouds

Вс, Май 30, 2021 - 8:30

Auroras usually occur high above the clouds. The auroral glow is created when fast-moving particles ejected from the Sun impact the Earth's magnetosphere, from which charged particles spiral along the Earth's magnetic field to strike atoms..

Lunar Dust and Duct Tape

Сб, Май 29, 2021 - 8:30

Why is the Moon so dusty? On Earth, rocks are weathered by wind and water, creating soil and sand. On the Moon, the history of constant micrometeorite bombardment has blasted away at the rocky surface creating a layer of powdery lunar soil..

BVI_c CCD Observations of V2455 Cyg, a High-amplitude delta Scuti Variable

Пт, Май 28, 2021 - 14:53

8001 magnitude measurements in the B, V, and I_c filters were acquired for the high-amplitude delta Scuti variable V2455 Cyg. The observations and light curves are presented.

Total Lunar Eclipse from Sydney

Пт, Май 28, 2021 - 8:30

The reddened shadow of planet Earth plays across the lunar disk in this telescopic image taken on May 26 near Sydney, New South Wales, Australia. On that crisp, clear autumn night a Perigee Full Moon slid through the northern edge of the..

Астрономическая неделя с 31 мая по 6 июня 2021 года

Пт, Май 28, 2021 - 8:13

На данной неделе 31 мая Луна (Ф= 0,73-) сблизится с Сатурном. 1 июня Марс пройдет в 5,3 гр. южнее Поллукса, а Луна (Ф= 0,6-) пройдет южнее Юпитера

Mid Eclipse and Milky Way

Чт, Май 27, 2021 - 8:30

May's perigee Full Moon slid through Earth's shadow yesterday entertaining night skygazers in regions around the Pacific. Seen from western North America, it sinks toward the rugged Sierra Nevada mountain range in this time-lapse series of..

The Outburst Clouds of Star AG Car

Ср, Май 26, 2021 - 8:30

What created these unusual clouds? At the center of this 2021 Hubble image sits AG Carinae, a supergiant star located about 20,000 light-years away in the southern constellation Carina. The star's emitted...

Журнал “Небосвод” за июнь 2021 года

Вт, Май 25, 2021 - 19:48

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

The Moon During a Total Lunar Eclipse

Вт, Май 25, 2021 - 8:30

How does the Moon's appearance change during a total lunar eclipse? The featured time-lapse video was digitally processed to keep the Moon bright and centered during the 5-hour eclipse of 2018 January 31. At first the full moon is..