A SpaceX rocket carried 10 communications satellites into orbit from California yesterday, two days after the company successfully launched a satellite from Florida.
They're for Iridium Communications, which plans to put in place 75 new satellites for its mobile voice and data communications system by mid-2018, requiring six more launches, all by SpaceX.
The Iridium program also will bring an end to so-called "Iridium flares," which space enthusiasts have observed for years.
The new satellites will not create visible flashes of reflected sunlight as they passed overhead.
