As long as a copy of the Blockchain is on the satellite (which seems likely given the mission) then the headline is accurate.
It could just be a bent pipe comm satellite, which would make the headline mostly inaccurate, but it seems like having a copy of the blockchain on the bird would be a big win. A lot of the queries could be completed without having to bounce back to the ground if a copy of the blockchain was available on the satellite.
There is no copy of the blockchain on the satellite. These things are just repeaters for the signal sent up from a teleport station, presumably owned by Blockstream.
It could just be a bent pipe comm satellite, which would make the headline mostly inaccurate, but it seems like having a copy of the blockchain on the bird would be a big win. A lot of the queries could be completed without having to bounce back to the ground if a copy of the blockchain was available on the satellite.