Colors: Goldberg credited by himself.
Bob Powell suggested as artist of this story by "Britt Reid" on his blog (http://fourcolorshadows.blogspot.com/2014/09/when-worlds-collide-journey...) but this identification denied by Michael Vassalo and Jim Vadeboncoeur, Jr. (Discussion submitted by Darci via the GCD Error Tracker.)
story has spot illustration on second page
Plot similarities with Rocket Ship Galileo by Robert A. Heinlein (1947). Plot information from Tom Lammers via the Timely-Atlas Group (firstname.lastname@example.org) April 2010.