Space Weather News for April 23, 2012 http://spaceweather com

SIERRA FIREBALL DECODED: An explosion over California that rattled homes across at least two states on Sunday, April 22nd, has been analyzed by NASA's Meteoroid Environment Office: It was a natural meteoroid the size of a mini-van Analysts say the space rock exploded in the atmosphere with an energy equal to nearly 4 kilotons of TNT and might have sprayed the Sierra Nevada mountains with meteorites Visit http://spaceweather com for more information

AURORA WATCH: At the time this alert is being written on April 23rd, a minor geomagnetic storm is underway The storm is likely due to Earth's passage through the wake of a CME that swept past our planet earlier in the day Sign up for aurora alerts at http://spaceweathertext com (text) or http://spaceweatherphone com (voice)

You are subscribed to the Space Weather mailing list, a free service of Spaceweather com

New subscribers may sign up for free space weather alerts at http://spaceweather com/services/

To unsubscribe click here: http://www spaceweather2 com/u?id=1604641J&n=T&l=spaceweather or send a blank email to leave-spaceweather-1604641J@www spaceweather2 com

The following information is a reminder of your current mailing list subscription:

You are subscribed to the following list: [list_name]

using the following email: example@example.com

You may automatically unsubscribe from this list at any time by visiting the following URL:

https://aus-city com/cgi-bin/dada/mail cgi/u/SOLAR_REPORTS/example/example com/

If the above URL is inoperable, make sure that you have copied the entire address Some mail readers will wrap a long URL and thus break this automatic unsubscribe mechanism

You may also change your subscription by visiting this list's main screen:

<[program_url]/list/[list]>

If you're still having trouble, please contact the list owner at:

<mailto:[list_owner_email]>

The following physical address is associated with this mailing list:

[physical_address]