The ones we saw in December went from the horizon straight up and disappeared almost straight overhead. They'll shine in the sunlight but when they enter the earth's shadow, they go dark.
This.
Just like the 3 UFO'S that came over me and Larry "Buck" Wright early one October day in 1966 just before daylight while we sat up in a big mesquite tree with our modern recurve bows and microflight arrows anticipating the magic of a cool, moist Gulf of Mexico sea breeze and buckbrush smell laden dawn over the South Texas brush country, along with our hopes of soon to be seen big bucks and the excitement they would bring us while just up the coast from Corpus Christi, not imagining the mysterious magic that would soon to be revealed or the fear and excitement it would bring.