earth Archives - Geography Realm

Satellite image of Northern Europe at night.

Earth at Night

August 7, 2023August 7, 2022 by Caitlin Dempsey

Nighttime lighting is when the effect of humans on the environment is especially pronounced.

Photograph of the Earth captured by astronauts onboard Apollo 17 as they traveled to the moon on Dec. 7, 1972. Image: NASA

Views of Earth from Space

October 15, 2023April 22, 2021 by Caitlin Dempsey

Over the decades, Earth has been captured from near and far by astronauts and spacecraft from space.

A detailed graphic showing the location of the Earth's crust, mantle, and core.

Structure of the Earth

September 18, 2023January 29, 2014 by Caitlin Dempsey

Listed here are quick facts about the earth’s crust, mantle, and core.

World GIS Data

November 9, 2012 by Caitlin Dempsey

Looking for global GIS data? Listed here are free sources for finding GIS data in both vector and raster formats including satellite imagery. Natural Earth … Read more