S.O.S. from a Satellite

S.O.S. from a Satellite ("Jinkō eisei SOS" 人工衛星SOS) - originally titled "Asteroid S.O.S." - is a chapter of the original Astro Boy manga which originally ran in the expanded summer edition of Shonen magazine in August 1959.

Collected Volumes
This story has been collected in the following volumes:


 * Astro Boy, Volume 2 (Kodansha)
 * Astro Boy, Volume 18 (Dark Horse)