Новости из категории: astronet

The Orion Bullets

Вс, Март 03, 2019 - 8:30

Why are bullets of gas shooting out of the Orion Nebula? Nobody is yet sure. First discovered in 1983, each bullet is actually about the size of our Solar System, and moving at about 400 km/sec from a central source dubbed IRc2.

NGC 6302: The Butterfly Nebula

Сб, Март 02, 2019 - 7:30

The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects. Though its wingspan covers over 3 light-years, NGC 6302 is no exception. With an estimated surface...

A Charioteer s Comet

Пт, Март 01, 2019 - 8:30

Still racing across planet Earth's night skies, Comet Iwamoto (C/2018 Y1) shares this pretty telescopic field of view with stars and nebulae of northern constellation Auriga, the Charioteer. Captured on February 27, Iwamoto's greenish coma..

Астрономическая неделя с 4 по 10 марта 2019 года

Пт, Март 01, 2019 - 6:21

На данной неделе 4 марта Луна (Ф= 0,04-) достигнет апогея своей орбиты на расстоянии 406387 км от центра Земли, а на следующий день Меркурий..

Sharpest Ultima Thule

Чт, Февраль 28, 2019 - 8:30

On January 1, New Horizons swooped to within 3,500 kilometers of the Kuiper Belt world known as Ultima Thule. That's about 3 times closer than its July 2015 closest approach to Pluto.

Магнитный Орион

Ср, Февраль 27, 2019 - 8:30

Может ли магнитное поле повлиять на процесс формирования звезд? Недавно проведенный анализ данных об области в Орионе, полученных..

Magnetic Orion

Ср, Февраль 27, 2019 - 8:30

Can magnetism affect how stars form? Recent analysis of Orion data from the HAWC+ instrument on the airborne SOFIA observatory indicate that, at times, it can. HAWC+ is able to measure the polarization of far-infrared light which can..

Simulation TNG50: A Galaxy Cluster Forms

Вт, Февраль 26, 2019 - 8:30

How do clusters of galaxies form? Since our universe moves too slowly to watch, faster-moving computer simulations are created to help find out. A recent effort is TNG50 from IllustrisTNG, an upgrade of the famous Illustris..

Журнал “Небосвод” за март 2019 года

Пн, Февраль 25, 2019 - 18:51

Очередной выпуск бесплатного электронно-печатного издания для любителей астрономии..

Red Sprite Lightning over Kununurra

Пн, Февраль 25, 2019 - 8:30

What are those red filaments in the sky? It is a rarely seen form of lightning confirmed only about 30 years ago: red sprites. Recent research has shown that following a powerful positive cloud-to-ground...

The Expanding Echoes of Supernova 1987A

Вс, Февраль 24, 2019 - 8:30

Can you find supernova 1987A? It isn't hard -- it occurred at the center of the expanding bullseye pattern. Although this stellar detonation was first seen in 1987, light from SN 1987A continued to bounce off clumps of interstellar..

The Stars of the Triangulum Galaxy

Сб, Февраль 23, 2019 - 8:30

Like grains of sand on a cosmic beach, stars of the Triangulum Galaxy are resolved in this sharp mosaic from the Hubble Space Telescope's Advanced Camera for Surveys (ACS). The inner region of the galaxy spanning over 17,000 light-years is..