No need to panic' as sunspot with potential for solar flares doubles in size overnight, scientists say
Sunspot - Wikipedia
The Sun and Sunspots
Solar activity | SpaceWeatherLive.com
Earth Pummeled by Solar Storms As More Sunspots Appear on Sun's Surface
Leading space science expert predicts a 'direct hit' on Earth from a solar storm
What are solar flares? | Live Science
Picture_of_the_Sun_s_surface.jpg
Radiation From Solar Activity | US EPA
Giant sunspot doubled in size in 24 hours, and it's pointing right at Earth | Live Science
Solar weather has real, material effects on Earth
How We'll Safeguard Earth From a Solar Storm Catastrophe
Photos Show Huge Swarm of Sunspots Big Enough to Swallow Earth
The Sun Is Suddenly Spitting 'X-Class' Flares At Us. Why It's Happening And What It Means
AR12192: The Largest Sunspot Group of Solar Cycle 24 - The Sun Today with Dr. C. Alex Young
Solar Flares, Sunspots, and the Solar Cycle — The Wonder of Science
Sunspots: What are they, and why do they occur? | Space
Sunspots
Sunspots/Solar Cycle | NOAA / NWS Space Weather Prediction Center
A sun with no sun spots? What that could mean for Earth and its climate. - CSMonitor.com
Sunspot maximum | astronomy | Britannica
Solar Flare May Bring Aurora South to Pennsylvania, Iowa, Oregon
How the Sun Get Its Spots: New Theory Proposed for Solar Mystery | Space
Sunspots and Solar Flares | NASA Space Place – NASA Science for Kids
NASA Satellite Spots New Behemoth Sunspot | WIRED
