NASA Space Alerts(@NASASpaceAlerts):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 (https://t.co/7A82Q6PjTH) 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:

NASA Space Alerts

@NASASpaceAlerts

@NASA official notifications on cosmic activity in near-Earth space including solar events, asteroids, comets, and meteors.

가입 March 2009

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NASA Space Alerts@NASASpaceAlerts

2026.07.12 16:00

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: