> ESA’s hefty MPO, weighing in at 1,150kg upon arrival at Mercury
Do you mean that it's a mass of 1150kg which weights 11270N on Earth but will weigh 4255N on Mercury?
> ESA’s hefty MPO, weighing in at 1,150kg upon arrival at Mercury
Do you mean that it's a mass of 1150kg which weights 11270N on Earth but will weigh 4255N on Mercury?