Watch monster flare-spewing sunspot grow to be 15 times wider than Earth (video) - Space.com
space.comSubmitted by spacecom4608 in science
The sunspot region AR3664 is so large, you might be able to see it with only eclipse glasses.
Submitted by spacecom4608 in science
The sunspot region AR3664 is so large, you might be able to see it with only eclipse glasses.