List of the most popular hashtags for theme #SDO

Happy 9th anniversary, SDO! Nine years ago this week, NASA’s Solar Dynamics Observatory or SDO rose into the sky atop an Atlas V rocket. Since that day, SDO has returned over 350 million images of the Sun, produced more than 3,000 scientific articles and allowed millions to see our star in a new light. Here are nine of our favorite SDO images. 1. A coronal mass ejection or CME — a giant eruption of solar material that the Sun often sends out — blew out from just around the edge of the Sun on May 1, 2013. 2. This iconic SDO image shows a long filament of solar material bursting out from the Sun on Aug. 31, 2012. 3. A good portion of the world was watching as Venus glided in front of the Sun for over six hours on June 5 - 6, 2012. SDO implemented specially planned operations to view the event in great detail. The results were the best HD views of a transit ever taken. 4. A pair of solar active regions can be seen on the limb of the sun, offering a beautiful profile of cascading loops — a line of solar particles trapped by the Sun’s magnetic field — spiraling above it on Jan. 15-16, 2012. 5. A giant eruptive event, including a major X-class flare, a coronal wave and a coronal mass ejection, or CME, erupted on Aug. 9, 2011. 6. This image is a composite of 23 separate images spanning the period of January 11, 2015, to January 21, 2016. It illustrates how the Sun’s active regions congregate around the star’s equator. 7. The Sun emitted three mid-level solar flares — giant bursts of light and radiation from the Sun — on July 22-23, 2016. The x-shape of light seen in this pic is characteristic of a solar flare. 8. Periodically, SDO’s view gets blocked, when Earth passes between it and the Sun. This image is from the Fall 2011 eclipse season. The fuzzy line around Earth shows how our planet’s atmosphere scatters the Sun’s light. 9. In this SDO image the dark regions show the site of evacuated material from a solar eruption and a flare. The large magnetic loops were formed during the flare in May 2010. Credit: NASA/Goddard/SDO #nasagoddard #space #Sun #science #SDO #star

It's Solar Minimum, which means our Sun is at the quietest point of its 11-year activity cycle. That means fewer coronal mass ejections and flares - but more coronal holes. This beauty has been hanging out since August! When it's pointed towards Earth, it can trigger aurora activity, since the Sun's magnetic field is more open over a coronal hole, letting stronger Solar winds escape  : SDO/AIA/@SpaceWxMike/Twitter

Great ball of fire! ☀️ The Sun's rotation brought a new active region into view, revealing the dynamic arches and twisting streams of its magnetic field on Oct. 10-11. New active regions are becoming more of a rare sight, as the Sun is currently approaching solar minimum—the point of the 11-year solar cycle when activity is most reduced. The video shows images taken in a wavelength of extreme ultraviolet light and covers 33 hours made from over 500 frames (i.e., one frame selected every 4 minutes). Viewed by our Solar Dynamics Observatory, we seek to learn more about our closest star that will help us understand where the Sun's energy comes from, how the inside of the Sun works, how energy is stored and released in the Sun's atmosphere and much more. Credit: NASA/Solar Dynamics Observatory #nasa #space #solarsystem #sun#ultraviolet #magneticfield #star #atmosphere #photooftheday #solar #sdo #light #science #uv #uvlight #picoftheday #fire #greatballoffire #lit #astronomy

. خورشيد نور، گرما، غذاي ما و هوايي را كه تنفس مي كنيم تامين مي كند. خورشيد به جو، قدرتي مي دهد تا به ما باد و باران بدهد. حتي ذغال سنگ و نفتي كه از آنها براي توليد الكتريسيته و روشنايي استفاده مي كنيم از گياهان و جانوراني كه صدها ميليون سال قبل وجود داشته اند و زندگي شان به خورشيد بستگي داشته، به دست آمده است. خورشيد، زمين، اقيانوس ها و هوا را گرم مي كند. آب را از درياچه ها و اقيانوس ها بخار مي كند. موقعي كه بخار آب سرد مي شود، به صورت باران يا برف مي بارد و به ما آب كه براي نوشيدن نياز داريم و گياهان و جانوران براي رشدشان احتياج دارند، مي دهد. آنچه كه بين زمين و خورشيد است تنها فضاي خالي نيست. زمين واقعاً در داخل جو خورشيد است و در مقابل تشعشع و آب و هواي فضا آسيب پذير مي باشد. سيستم زمين، به خورشيد وابسته است. هوا، آب، خشكي و زندگي ما همه به وسيله خورشيد تحت تاثير قرار مي گيرند. . خورشید ۴.۶ میلیارد ساله هست. . جرم خورشید ۳۳۳۰۶۰ برابر جرم زمین است. . دمای سطحش ۵۵۰۰ درجه سانتی گراد است. . دمای هسته اش ۱۵ میلیون درجه سانتی گراد است. . یک میلیون زمین داخل خورشید جا می شود. . با سرعت 220 کیلومتر بر ثانیه در فضا در حرکت است. . خورشید نیز به دور خودش می چرخد. ۲۵ روز طول می کشد تا خورشید در استوایش چرخشش را یکبار کامل کند. این وضعیت چرخش در سمت قطب‌های شمال و جنوب خورشید ۳۵ روز طول می کشد. . شعله های خورشیدی می توانند اندازه‌ای تا 30 برابر عرض زمین داشته باشند. . خورشید، به تنهایی ۹۹.۸۶ درصد از جرم کل منظومه شمسی را به خود اختصاص داده است. البته نیازی به گفتنش نیست، حقیقتاً غول آساست. اما در مقابل برخی ستارگان بسیار بسیار کوچک محسوب می شود. . . Video: SDO @nasa . Music: 12 O’clock - Vangelis . . #خورشید #sun #sdo #نجوم

Our Sun. It's a dynamic place. Here, is a computer model that generates a view of the Sun's magnetic field, allowing scientists to better monitor active regions and understand how solar material courses around the Sun's surface. Using real-time data taken from our Solar Dynamics Observatory on August 10, 2018, we see a bright active region right at the central area of the Sun. It clearly shows a concentration of field lines, as well as the small active region at the Sun's right edge, but to a lesser extent. Magnetism drives the dynamic activity near the Sun's surface. The observatory helps us understand the Sun's influence on Earth and near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously. . . . Sci_media . . . Credit: NASA Image Credit: NASA/GSFC/Solar Dynamics Observatory #nasa #space #solar #observatory #sdo #sun #solarsystem #active #loops #star #line #lines #picoftheday #pictureoftheday

Солнечный танец В середине 2012 года Обсерватория солнечной динамики (SDO) запечатлела впечатляющий протуберанец, который как будто исполнил кувырок, словно танцор-акробат. Солнечные протуберанцы — это плазменные образования, которые поднимаются над светилом и удерживаются его магнитным полем. Они постоянно движутся и могут вздыматься на десятки тысяч километров. Размер этого "танцующего" протуберанца огромен – вся Земля, диаметр которой 12742 километра, легко поместится под аркой из текущего горячего газа. В спокойном состоянии протуберанец может существовать около месяца, однако он может взорваться, породив корональный выброс – поток горячего газа, выбрасываемого в Солнечную систему. Видео охватывает 3 часа реального времени и показывает поверхность нашей звезды в ультрафиолетовом диапазоне. Источник: NASA APOD

✔️ The #SolarDynamicsObservatory, our Sun-watching #satellite, saw the Moon seem to pause ⏸ and rewind ⏪ as it passed in front of the Sun on March 6. The Moon didn't actually change directions — the apparent reversal is a result of the relative speeds of the Moon and the #spacecraft . #SDO sees lunar transits regularly, when the Moon passes in front of its view of the Sun. The Moon's unusual apparent behavior during this particular transit is a phenomenon similar to retrograde motion, when a celestial object appears to move backward because of the way different objects move at different speeds at different points in their orbits. This lunar transit lasted about four hours, from 5 p.m. to 9:07 p.m. EST, and, at peak, the Moon covered 82 percent of the Sun's face. . ✔️ Follow us: @the.night.sky ✔️ Follow us: @the.night.sky ✔️ Follow us: @the.night.sky ✔️ Follow us: @the.night.sky . . Credit: @nasasolarsystem | @nasa #NASA #Sun #Moon #space #science #astronomy #Night #NightSky #TheNightSky #Solarsystem #mars #sky #star #Galaxy

NASA Image of the Day is amazing!! NASA's Solar Dynamics Observatory (SDO) scientists used their computer models to generate a view of the Sun's magnetic field on August 10, 2018. The bright active region right at the central area of the Sun clearly shows a concentration of field lines, as well as the small active region at the Sun's right edge, but to a lesser extent. Magnetism drives the dynamic activity near the Sun's surface. SDO is managed by NASA's Goddard Space Flight Center, Greenbelt, Maryland, for NASA's Science Mission Directorate, Washington. Its Atmosphere Imaging Assembly was built by the Lockheed Martin Solar Astrophysics Laboratory (LMSAL), Palo Alto, California. Image Credit: NASA/GSFC/Solar Dynamics Observato #NASA #SDO #MagneticFiled #Sun #Space #Science #Astronomy

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