“An artificial submoon may be stable and thereby serve as a time capsule or outpost for a technological civilization. On a stable orbit around the Moon–such as the one for NASA’s proposed Lunar Gateway–a submoon would keep humanity’s treasures safe for posterity long after Earth became unsuitable for life.”
The Galaxy Report newsletter brings you twice-weekly news of space and science that has the capacity to provide clues to the mystery of our existence and add a much needed cosmic perspective in our current Anthropocene Epoch.
