Sure, there's some radiation, and it's shielded to some extent. But 10 mm of aluminum isn't that great at radiation shielding. The big difference is that deep s

Sure, there's some radiation, and it's shielded to some extent. But 10 mm of aluminum isn't that great at radiation shielding. The big difference is that deep space missions stay in space for decades. The rovers were in space for about a year.