SD的纬度要是再往北一点就好了。。。 http://www.signonsandiego.com/news/2010/aug/03/tiny-chance-youll-see-northern-lights-tonight/?sciquest
Tiny chance you'll see northern lights tonight
By Gary Robbins, UNION-TRIBUNE STAFF WRITER
Tuesday, August 3, 2010 at 6:19 p.m.
Latest solar images from the GOES-14 satellite.
There's a tiny chance -- and we mean tiny -- that the aurora borealis will
be briefly visible from the darkest areas of San Diego County late tonight.
The sun produced a couple of large solar flares ove