NASA Space Alerts (@NASASpaceAlerts)
@NASASpaceAlerts
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It’s #SunDay#! Here’s your space weather report for the week of July 17 - July 23:
• 5 M-class flares
• 2 C-class flares
• 31 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
It was a fairly calm week on the Sun as SDO’s daily Earth eclipses punctuate our view of the Sun. The spacecraft’s Earth eclipse season, which began on July 5, continues through August 2. Eclipse seasons are three-week periods twice a year when the spacecraft’s orbit passes “behind” Earth, briefly blocking out the Sun each day.
Learn more about space weather:
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It’s #SunDay#! Here’s your space weather report for the week of July 10 - July 16:
• 1 M-class flare
• 3 C-class flares
• 29 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
Those “blackouts” in the video below aren’t missing data — those are Earth eclipses! SDO is currently in its 33rd Earth eclipse season, which began on July 5 and will continue through August 2. Eclipse seasons are three-week periods twice a year when the spacecraft’s orbit passes “behind” Earth, briefly blocking out SDO's view of the Sun each day.
Learn more about SDO and visualize its orbit:
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It’s #SunDay#! Here’s your space weather report for the week of July 3 - July 9:
• 1 X-class flare
• 36 M-class flares
• 3 C-class flares
• 42 coronal mass ejections
• 1 geomagnetic storm
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
The Sun celebrated the fourth of July with a big bang, emitting an intense X-class solar flare ( and a burst of M-class flares. You can see the show starting at about 0:49 in the video.
Learn more about space weather:
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