<div dir="ltr"><div>"The radiation of the Moon is between two and three times higher than
 what you have on the ISS (International Space Station)," co-author 
Robert Wimmer-Schweingruber, an astrophysicist at the University of Kiel
 told AFP.<p>"So that limits your stay to approximately two months 
on the surface of the Moon," he added, once the radiation exposure from 
the roughly week-long journey there, and week back, is taken into 
account."</p>

</div><div><a href="https://www.sciencealert.com/scientists-predict-how-long-humans-can-survive-radiation-on-the-moon">https://www.sciencealert.com/scientists-predict-how-long-humans-can-survive-radiation-on-the-moon</a></div></div>