The whole earth is divided by 90 latitude lines ranging zero degree to 90 degree. Here, on the earth map, zero degree latitude arc circles on the middle of earth from east to west and is known as ...

But I also need to find out how far around the Earth he is, and how far down. To do that, I’ll use what’s called latitude and longitude.Lines of latitude run around the Earth like imaginary ...

A new satellite has mapped Earth's ocean floors in unprecedented ... The data helped the team further refine maps of tectonic boundaries and ocean currents near coastal areas.

The black is where we still need modern measurements at a reasonable resolution We've just become a little less ignorant about Planet Earth ... of a full map of the ocean floor says one-fifth ...