On: Rapid colonization of a space-returned Ryugu sample by terrestrial microorganism

[alganet]

It means the sample was spoiled. We can't exactly use it to understand the possibility of extraterrestrial life or life's building blocks.

But since they were very careful, it is still useful to understand other meteorites and how they could have been contaminated as well.

It also serves to predebunk anyone who would want to imply that those microbes were of alien origin.