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There is a 20-40% chance of geomagnetic storms! If you live at a high latitude, look out for #auroras today.
Amazing shot! RT @badastronomer: One of the best astrophotos of the year so far: The fireball and the northern lights http://www.slate.com/blogs/bad_astronomy/2013/04/01/stunningly_beautiful_astrophotos_aurorae_a_comet_and_a_meteor.html …
Breaking News! Lovejoy lives! The comet Lovejoy has survived it's journey around the sun to reemerge on the other side.
The Solar Dynamics Observatory, NASA's newest eye on the Sun!