"It's like the eclipse shape was burned into her retina," a doctor said about one patient.
This kind of effect has been seen in the U.S. after fires, too.
The scientists also say similar shields could already be in use by advanced alien civilizations.
On the autumnal equinox the orientation of the Earth to the sun means night and day are of equal length.
Don't cry too much about Cassini. Upcoming missions are going to Mars, Mercury, the Sun, Europa and several asteroids.
The X9.3 solar flare was the largest since 2005 when an X17 flare was recorded.
The compilation includes views from the International Space Station, the Solar Dynamics Observatory and other spacecraft.
The celestial event drew millions of people to YouTube, Facebook and Twitter.
Two research jets are expected to capture the clearest images of the sun's corona during the eclipse.
Don't forget special glasses, solar filters and common sense.
Scientists have analyzed over 30 years worth of data to find out what's going on with the sun and its unusual activity.
Scientists showed the potential habitability of the planet under different atmospheric conditions and orbits using a state-of-the-art model.
Indian companies send their worst drugs to weakly regulated areas, notably Africa.
Holidaymakers face €200 penalties for reserving a spot on the beach.