Новости из категории: astronet

Julius Caesar and Leap Days

Чт, Февраль 29, 2024 - 8:30

In 46 BC Julius Caesar reformed the calendar system. Based on advice by astronomer Sosigenes of Alexandria, the Julian calendar included one leap day every four years to account for the fact that an Earth year is slightly more than 365 days..

Оттенки ночи

Ср, Февраль 28, 2024 - 8:30

Как небо темнеет с наступлением ночи? По этапам, и небо над горизонтом окрашивается в разные цвета. Картинка состоит из 20..

APOD: 2024 February 28 Б Shades of Night

Ср, Февраль 28, 2024 - 8:30

How does the sky turn dark at night? In stages, and with different characteristic colors rising from the horizon. The featured image shows, left to right, increasingly late twilight times after sunset in 20 different vertical bands.

Остаток сверхновой Симеиз 147

Вт, Февраль 27, 2024 - 8:30

Можно легко запутаться, пытаясь проследить сложный узор из изящных перекрученных волокон в остатке сверхновой Симеиз 147. ..

APOD: 2024 February 27 Б Supernova Remnant Simeis 147

Вт, Февраль 27, 2024 - 8:30

It's easy to get lost following the intricate, looping, and twisting filaments of supernova remnant Simeis 147. Also cataloged as Sharpless 2-240, the filamentary nebula goes by the popular nickname the Spaghetti Nebula.

Астрономическая неделя с 4 по 10 марта 2024 года

Пн, Февраль 26, 2024 - 11:41

На данной неделе 4 марта комета PANSTARRS (C/2021 S3) сблизится со звездой эта Змеи до полградуса

Астрономическая неделя с 4 по 10 марта 2024 года

Пн, Февраль 26, 2024 - 11:41

На данной неделе 4 марта комета PANSTARRS (C/2021 S3) сблизится со звездой эта Змеи до полградуса

APOD: 2024 February 26 Б Martian Moon Eclipses Martian Moon

Пн, Февраль 26, 2024 - 8:30

What if there were two moons in the sky -- and they eclipsed each other? This happens on Mars. The featured video shows a version of this unusual eclipse from space. Pictured are the two moons of Mars: the larger Phobos, which..

APOD: 2024 February 25 Б A Phoenix Aurora over Iceland

Вс, Февраль 25, 2024 - 8:30

All of the other aurora watchers had gone home. By 3:30 am in Iceland, on a quiet September night, much of that night's auroras had died down. Suddenly, unexpectedly, a new burst of particles streamed down from space, lighting up the

To the Moon

Сб, Февраль 24, 2024 - 8:30

Intuitive Machines' robotic lander Odysseus has accomplished the first U.S. landing on the Moon since the Apollo 17 mission in 1972. Launched on a SpaceX rocket on February 15, the phone booth sized lander reached lunar orbit on the 21st..

The Pencil Nebula Supernova Shock Wave

Пт, Февраль 23, 2024 - 8:30

This supernova shock wave plows through interstellar space at over 500,000 kilometers per hour. Centered and moving upward in the sharply detailed color composite its thin, bright, braided filaments are actually long ripples in a cosmic..

A View Toward M106

Чт, Февраль 22, 2024 - 8:30

Big, bright, beautiful spiral, Messier 106 dominates this cosmic vista. The nearly two degree wide telescopic field of view looks toward the well-trained constellation Canes Venatici, near the handle of the Big Dipper. Also...