ORLANDO, Fla. They were seen sparkling across the skies of Montana right around Christmas: a tidy row of lights that some mistook to be UFOs. The glowing celestial train has been spotted in California, Texas, in the Netherlands and even Chile.
And it has astronomers worried.
Because the twinkling lights are not stars, planets or the faint objects hunted by observatories. Theyre satellites, the first 120 in a constellation that could one day number in the tens of thousands if everything goes as planned for SpaceX.
