Twitter alert!
If you want to know about space-related happenings in real time, you can follow:
@AuroraMAX -- when are the northern lights visible over Canada? There are other aurora alert services for other locations.
@twisst -- tells you when the Interntaional Space Station passes over you
@astronomerstel -- the Astronomer's Telegram: gamma-ray bursts and other snazzy thing
@lowflyingrocks -- ".. every near earth object that passes within 0.2AU of Earth"
@spaceweather -- "keep tabs on the space environment around the Earth as it is disturbed by the variable output of particles & radiation from the Sun"
What are your favorites?
