File:GOES-17 Shares First Data from its EXIS Instrument (27582909067).png

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NOAA’s #GOES17 satellite has transmitted its first data from the Extreme ultraviolet and X-ray Irradiance Sensors (EXIS) space weather monitoring instrument. One of the improved space weather measurements made with EXIS is called the Magnesium Index, which represents the ultraviolet variability of the sun.

This data plot shows the first 10 days of the Magnesium Index from GOES-17 EXIS measurements. It shows that solar activity is slightly decreasing during this time period, with no major solar flares. EXIS is able to measure changes in the Magnesium Index with better precision and much higher frequency than for any previous satellite, producing unprecedented information about space weather.

Learn more at goo.gl/ARN2j4

Image credit: NOAA/NASA

Note: This is preliminary, non-operational data as GOES-17 undergoes on-orbit testing.
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Source GOES-17 Shares First Data from its EXIS Instrument
Author NOAA Satellites

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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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This image was originally posted to Flickr by NOAASatellites at https://flickr.com/photos/125201706@N06/27582909067 (archive). It was reviewed on 18 September 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

18 September 2018

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current21:19, 17 September 2018Thumbnail for version as of 21:19, 17 September 20184,000 × 3,200 (252 KB)MarginalCost (talk | contribs)Transferred from Flickr via #flickr2commons

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