That means it would take 1,351,351.35 years, using data from the (thus far) fastest manned spacecraft. As others have touched on, proposed spacecraft can travel faster. exobio says. I think Project Orion (nuclear powered spaceships) can hit up to 10% of the speed of light so that means 500 years, I think.
Medicine and Healthcare. Adults should be vaccinated with the TDaP vaccine (for tetanus, pertussis and diphtheria) every 10 years, maybe less (it is not going to be harmful to vaccinate more frequently). For diseases like whooping cough (also called pertussis), the danger to adults may be as serious as it is to children.
DTaP is not licensed for adolescents, adults, or children 7 years of age and older. But older people still need protection. A vaccine called Tdap is similar to DTaP. A single dose of Tdap is recommended for people 11 through 64 years of age.Another vaccine, called Td, protects against tetanus and diphtheria, but not pertussis. It is recommended every 10 years.There are separate Vaccine Information Statements for these vaccines.iphtheria, tetanus, and pertussis are serious diseases caused by bacteria. Diphtheria and pertussis are spread from person to person. Tetanus enters the body through cuts or wounds. DIPHTHERIA causes a thick covering in the back of the throat. 1  It can lead to breathing problems, paralysis, heart failure, and even death.