How are there still islands that we haven’t discovered/explore despite the fact that the satellites in space have been taking constant photos of the earth?

Question

How are there still islands that we haven’t discovered/explore despite the fact that the satellites in space have been taking constant photos of the earth?

In: Planetary Science

Answer 1

Do such islands actually really exist? There are certainly no significant islands we haven’t discovered, the entire surface of the earth has been mapped in detail.