![Sun eruption supercharges aurora displays]()
A massive eruption on the sun Friday unleashed a wave of intense solar particles at Earth that may spark a geomagnetic storm and boost weekend aurora displays. The solar eruption should not pose a threat to satellites and spacecraft around Earth, but it may pass NASA's Messenger spacecraft orbiting Mercury and the infrared Spitzer Space Telescope, agency officials said.
Reported by msnbc.com 7 hours ago.