NASA saw dangerous solar explosion, big alert from NOAA: Are Earth and humans in danger? | Nasa X Class Solar Flare Noaa Severe Geomagnetic Storm Earth Impact

What is a solar flare and why is X1.9 so special?

According to NASA, solar flares are sudden and extremely strong waves of radiation emanating from the sun. The flare recorded on January 18 was of X1.9 category.

• “X” means: most powerful category
• 1.9 means: quite powerful even in that category

This flare was at its peak at 11:39 pm Indian time and NASA’s Solar Dynamics Observatory captured it clearly on camera.