NASA Space Alerts
@NASASpaceAlerts
@NASA official notifications on cosmic activity in near-Earth space including solar events, asteroids, comets, and meteors.
가입 March 2009
105 팔로잉 중 1.2M 팬
It’s #SunDay#! Here’s your space weather report for the week of April 24 - 30:
• 2 X-class flares
• 14 M-class flares
• 18 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s solar activity. Two X-class flares erupt on the right side of the disk at the beginning of the week. On April 29, a few spacecraft calibration maneuvers make it look like the Sun is dancing.
Find out more about flares & coronal mass ejections:
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