File:Vog and ash from Ambrym Volcano, Vanuatu (5584962485).jpg
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| Description |
NASA image acquired March 28, 2011 The Ambrym Volcano was billowing vog and ash on March 28, 2011 at 02:55 UTC, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image. Vog is a combination of the words "volcanic" and "smog." Vog is formed when sulfur dioxide and other gases from an erupting volcano reacts with sunlight, oxygen and moisture. It is a mix of gases and aerosols. When smog levels are high the sky appears yellowish grey because nitrogen oxides are yellow. In contrast, sulfur oxides are colorless and vog looks gray. Located on Ambrym Island in Vanuatu approximately 2,200 kilometers northeast of Australia, the volcano is one of the region’s most active, with regular eruptions nearly every year in recent history. Several times per century, Ambrym volcano erupts violently. NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on Twitter Join us on Facebook |
| Date | |
| Source | Vog and ash from Ambrym Volcano, Vanuatu |
| Author | NASA Goddard Space Flight Center from Greenbelt, MD, USA |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/5584962485. It was reviewed on 27 September 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 05:45, 27 September 2017 | | 8,200 × 6,000 (9.04 MB) | A1Cafel (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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