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A journey to the next planet beyond our solar system takes 6,300 years. To survive, it would take at least 49 couples, as now researchers have calculated
It is only then that a genetically healthy population could reach the following known exoplanet, Proxima Centauri b, according to a recent study. Proxima b and his star "title =" © ESO / M. Kornmesser "width =" 640 "height =" 422 "/>
ESO / M. Kornmesser
Artistic representation of Proxima b and its star
Reproduction only between 32 and 40
According to Frédéric Marin the University of Strasbourg and Camille Beluffi of the CASC4DE research company, a number of issues need to be clarified Number of women and men, age and life expectancy, fecundity rate and maximum capacity of the spacecraft In addition, strict rules for life on board are necessary.In addition, the number of births must be fixed each year.In their computer simulation, the authors authorize incest and do not allow reproduction that at the age of 32 to 40.
In their calculations, Marin and Beluffi even calculate a catastrophe after 2500 years, which costs 30% of the life of the crew. , there are still uncertainties – such as how cosmic rays affect the crew.
Proxima Centauri b turns into orbit around the star of Proxima Centauri, which lies about 4.2 light-years from Earth. A light year is the distance traveled by light in one year and equals 9.5 trillion kilometers. The discovery was announced by researchers in August 2016. But before this mission, it was still necessary to specify if the planet was habitable, emphasize the authors.
science.ORF.at/dpa
