<prompt> Translate the following text to EnglishWakati huo huo, wanaharakati wa anti-nuclear wamekuwa wakisema kuwa plutonium iliyopo kwenye chombo cha NASA kinachoitwa Saturn Explorer, inaweza kuharibu afya ya binadamu.  <response>: And Time discounts the warnings of anti-nuke activists who claim that the 72 pounds of plutonium on NASAs soon-to-be-launched Saturn explorer poses a health hazard. 