Update Aug. 12, 4:15 p.m. ET: The International Meteor Organization reports that hourly rate for Perseid meteors has climbed from the low 20s Tuesday into the 30s on Wednesday and now into the 40s. This represents the number of meteors observable per under perfectly dark skies. While the typical person's actual observation will be lower, the rising rate — fully expected — indicates the peak tonight and Friday morning will indeed be worth viewing, as predicted. — RRB The annual Perseid meteor shower is already putting on an excellent show, and the celestial fireworks have yet to peak. The main...