TIL More than 80 percent of the ocean has never been mapped, explored, or even seen by humans and as a result, we know more about the surface of Mars than Earth education.nationalgeographic.org Submitted by [deleted] t3_z6p9uy on November 28, 2022 at 6:42 AM in todayilearned 143 comments 2,115
Brock_Way t1_iy675x3 wrote on November 29, 2022 at 1:16 AM Uhm...the bottom of the ocean isn't on the surface. Permalink 1
Viewing a single comment thread. View all comments