These artificial meteors will be dropped by satellite.
Mixed in amongst the television signals and invisible communications relays bouncing down from space will be minuscule particles, only a few millimeters in size, made from elements such as lithium, calcium, strontium, rubidium, and copper, each of which releases a different hue when burned. ...
Like planet-spanning showerheads of light, such shows could augment a presidential inauguration, a state funeral, an international holiday, or even be enlisted for narrative purposes. Ten years from now, a Christmas celebration could involve a historical reenactment of the Star of Bethlehem, using a combination of Iridium flares and artificial shooting stars; famous meteors from myth and history could be recreated at appropriate times of year.
--Geoff Manaugh, The Atlantic, on upping the ante on spectacle