A NASA white paper says: “Explorers go with the intent of returning to tell their story and point the way for future forays. Pioneers go with the intent to establish a permanent presence.”
This post is only available to members.
Covering the business and politics of space
A NASA white paper says: “Explorers go with the intent of returning to tell their story and point the way for future forays. Pioneers go with the intent to establish a permanent presence.”