Slashdot Mirror


Sunspot Grows to 20 Times Size of Earth

TheHedgehog writes "A sunspot group aimed squarely at Earth has grown to 20 times the size of our planet and has the potential to unleash a major solar storm. 'The implications of this spot have scientists on the edge of their seats,' NASA said in a statement Friday. 'If the active region generates coronal mass ejections (CMEs), massive explosions with a potential force of a billion megaton bombs, it will be a fairly direct hit to Earth and its satellites and power grids.'"

1 of 117 comments (clear)

  1. solar zit by joeslugg · · Score: 5, Interesting

    I actually saw the thing during my morning commute - must have been on Friday. There was just the right amount of fog and clouds so that you could "look" at the sun. I saw a black dot - reminded me of the pictures of the transit of Venus a while back. It occurred to me that if it was a sunspot, and I could see the thing that clearly, it must be gigantic.

    And when it swooped down to attack, I could see that I was right...