Stories by John A. Wood

Lacking an erosive atmosphere and geologically active outer layers, the earth's lifeless satellite has preserved a record of early events (but not the primordial events) in the history of the solar system

A close analysis of a tablespoonful of soil from the sample gathered by the Apollo 11 astronauts at Tranquility Base tells much about the structure and early history of the moon

The first are stony meteorites; the second, the small spherical bodies they contain. There is evidence that the chondrules date back to the opening stages in the evolution of the solar system