THE OBSERVATION LIBRARY

Look at the
worlds themselves.

Ice, rock and impact basins. Explore real images from the missions and field work behind the research.

Every image has a source, a date and a connection to the book. Open one to see what was observed and how the view was made.

Browse 14 images ↓
FROM THE SOURCE

An atlas of observations.

Photographs, satellite scenes, mosaics and data products keep their original identities. They offer places to look closely as you follow the authors’ account.

14 images · original sources linked

A grayscale MESSENGER mosaic of Caloris, with a bright, broadly circular basin floor, many later craters and rugged surrounding terrain.

Mercury / Grayscale photographic mosaic

Inside Caloris

MESSENGER shows Caloris’s broad interior plains, later impact craters and a complex record of deformation and volcanic filling.

NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
KEEP EXPLORING

A close view.
Then the whole picture.

The book supplies the narrative. These observations are a separate collection: an image can show a landform without establishing its cause or age.

IMAGE RECORD

Reading the image