What good is this if they’re guessing at it being a contaminant they introduced?
At least say it’s possible that it isn’t. Maybe it really had metal fragments on it.
> Artificial material seems to be present in chamber C. The origin is under investigation, but a probable source is aluminium scraped off the spacecraft sampler horn as the projectile was fired to stir up material during touchdown.
What good is this if they’re guessing at it being a contaminant they introduced?
At least say it’s possible that it isn’t. Maybe it really had metal fragments on it.