MARS OUTSHINES SIRIUS: Mars is approaching Earth for an almost once-in-a-generation close encounter in late July. This week, the brightness of Mars surpassed that of Sirius, making the Red Planet brighter than any star in the sky. If you wake up before dawn, you can't help noticing Mars burning through the morning twilight with a distinctive orange glow--and the show is about to get much better, indeed. Visit today's edition of Spaceweather.com for the full story.
