NASA Space Weather

Extreme Weather - NASA Science

Can Solar Flares (Geomagnetic Storms) Affect Your Health?

It’s #SunDay! This week’s (Dec. 12 - 18) space weather report includes: · 2 M-class flares · 2 C-class flares · 27 coronal mass ejections · 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. The Sun was fairly calm this week, though the bright coronal loops on the Sun’s western limb (right edge) at the beginning of the video and eastern limb (left edge) at the end put on a show. Perhaps it’s a good space-themed alternative to a yule log?🪵🔥 |

Space Weather

Space weather over Canada

It’s #SunDay! Here’s your space weather report for the week of April 3 - 9:•7 M-class flares•1 M-class flares•16 coronal mass ejections•1 geomagnetic stormThis video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. This week’s geomagnetic storm peaked on April 3, sparking auroras around the arctic circle and reaching a strength classification of G3 (strong). The cause was a CME that erupted from the Sun late on April 1. Aside from that, the Sun was fairly quiet during this