Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Solar flares 3 am June 7, 2011 to 3 pm June 7, 2011
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
