20GB? What kind of disc are they using? Why not use a 200GB MicroSD? That would be way more efficient.
2 200GB MicroSDs would give you 400GB of storage weighing in at only 1 gram.
2 200GB MicroSDs would give you 400GB of storage weighing in at only 1 gram.
> Can’t we use some other medium with more space?
> The conditions in space prove hostile to many data mediums. Traditional CDs or DVDs would be destroyed in space, because they are composed of layers and would come undone. It’s different with a medium made of ceramics. Also, you have to consider the dimensions and weight of your medium. The ceramic disc is light enough and resilient.
I'm guessing microSD cards are not radiation hardened.