2/13/2023 0 Comments How long is a millenia![]() ![]() Today, we get an answer thanks to the work of Frédéric Marin at the University of Strasbourg and Camille Beluffi at the research company Casc4de, both in France. ![]() ![]() What is the smallest crew that could maintain a genetically healthy population over that time frame? These humans would need to reproduce with each other throughout the journey in a way that guarantees arrival of a healthy crew at Proxima Centauri.Īnd that raises an interesting question. Indeed, most of the humans involved would never see Earth or its exoplanet counterpart. Proxima Centauri is 4.2 light-years from Earth, a distance that would take about 6,300 years to travel using current technology. Last year, astronomers raised the possibility that our nearest neighbor, Proxima Centauri, has several potentially habitable exoplanets that could fit the bill. If humans are ever to colonize the galaxy, we will need to make the trip to a nearby star with a habitable planet. ![]()
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