Originally Posted by masque de Z
They showed a screen of data a few min ago but only briefly and it had it at 5.5km/sec with 2 min to entry(atmosphere) (then 7 more). If they report it as they get the signals from it it has already landed in the sense of not being anymore able to causally affect it. It was at 300km altitude.
Speed of Light. That's why everything is automated. We can't control it in real time because its so far away (several minutes even by the speed of light). By comparison, I think the sun is something like 8 or 9 "light minutes" away.