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Astronomy Picture Of the Day (APOD)
![Самое четкое изображение Ультима Туле](https://images.astronet.ru/pubd/2019/02/28/0001459792/ultima-thule-1-ca06_022219_1024.preview.jpg)
28.02.2019
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](https://images.astronet.ru/pubd/2019/02/27/0001459640/MagneticOrion_EsoSofia_960.preview.jpg)
27.02.2019
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 reveal the alignment of dust grains by expansive ambient magnetic fields.
![Модель TNG50: формирование скопления галактик](https://images.astronet.ru/pubd/2019/02/26/0001459595/illus.preview.png)
26.02.2019
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 Simulation.
![Красные спрайты над Кунунурра](https://images.astronet.ru/pubd/2019/02/25/0001459406/RedSprites_Broady_960.preview.jpg)
25.02.2019
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...
![Расширяющееся световое эхо сверхновой 1987A](https://images.astronet.ru/pubd/2019/02/24/0001459277/87a.preview.png)
24.02.2019
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 dust and be reflected to us even many years later.
![Звезды галактики в Треугольнике](https://images.astronet.ru/pubd/2019/02/23/0001459188/heic1901aTriangulumS.preview.jpg)
23.02.2019
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 covered at extreme resolution, the second largest image ever released by Hubble.
![NGC 4565: галактика, видимая с ребра](https://images.astronet.ru/pubd/2019/02/22/0001458990/N4565ps06d_35tp_Kaltseis2019_1024.preview.jpg)
22.02.2019
Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for its narrow profile, bright NGC 4565 is a stop on many telescopic tours of the northern sky, in the faint but well-groomed constellation Coma Berenices.
![Отражения в vdB 9](https://images.astronet.ru/pubd/2019/02/21/0001458822/20181013VDB9kerschhuber1024.preview.jpg)
21.02.2019
Centered in a well-composed celestial still life, pretty, blue vdB 9 is the 9th object in Sidney van den Bergh's 1966 catalog of reflection nebulae. It shares this telescopic field of view, about...
![Обреченная звезда η Киля](https://images.astronet.ru/pubd/2019/02/20/0001458698/EtaCarinae_HubbleSchmidt_960.preview.jpg)
20.02.2019
Eta Carinae may be about to explode. But no one knows when - it may be next year, it may be one million years from now. Eta Carinae's mass - about 100 times greater than our Sun - makes it an excellent candidate for a full blown supernova.
![Комета Ивамото перед спиральной галактикой NGC 2903](https://images.astronet.ru/pubd/2019/02/19/0001458586/iwamoto.preview.png)
19.02.2019
It isn't every night that a comet passes a galaxy. Last Thursday, though, binocular comet C/2018 Y1 (Iwamoto) moved nearly in front of a spiral galaxy of approximately the same brightness: NGC 2903. Comet Iwamoto was discovered late last year and orbits the Sun in a long ellipse.
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